Green’s Dictionary of Slang

bop v.

also boop
[Kentish dial. bop, to throw anything down with a resounding noise; ult. onomat.]

1. (orig. US) to hit.

[US]Morn. Tulsa Dly World (OK) 13 June 19/1: Boped [sic] on bean — To get hit on head.
A. Baer Puttin ’Em Over 24 Aug. [synd. col.] The Yanks have bopped almost 80 home runs this season.
[US]D. Runyon ‘Romance in the Roaring Forties’ in Runyon on Broadway (1954) 32: Dave the Dude reaches across the table and bops One-eyed Solly right in the mouth.
[UK]G. Kersh They Die with Their Boots Clean 123: ’E fell aht of a pear-tree, and the branches ’ad sort of bopped ’im as ’e come froo ’em.
[US]B. Schulberg Harder They Fall (1971) 210: The kid who [...] bopped him in the hallway and took his whole goddam pushcart.
[US]Lait & Mortimer USA Confidential 8: Mortimer, who had been bopped by the best, ducked.
[US](con. 1953–7) L. Yablonsky Violent Gang (1967) 94: ‘Come on, man, let’s go boppin’.’ Then we would go and look for guys to beat up.
[US]S. Longstreet Flesh Peddlers (1964) 146: Jay and I had to defend ourselves and we booped a few beaks.
[US]G.V. Higgins Friends of Eddie Coyle (1973) 32: So [...] I don’t bop her a couple, like I would like to.
[UK]T. Paulin ‘From the Death Cell: Iambes VIII’ in Liberty Tree 53: Someone / bops a tight balloon against the window-panes.
[UK]J. Cameron It Was An Accident 41: Yes you just like to bop him please? Not on the head you might kill him. Just tap him in the belly or somewhere.
[Ire]F. Mac Anna Cartoon City 123: She saw him looking at her bruise. She grinned cheekily. ‘I got bopped by a champagne cork.’.

2. (orig. US) to kill.

[US]B. Appel Brain Guy (1937) 87: How many saps had been bopped because they thought they were wise?
[US]R. Chandler Big Sleep 83: It’s kind of goddamned lucky for you I didn’t bop Geiger.
[US]R.L. Bellem ‘Dead Don’t Dream’ in Hollywood Detective July [Internet] It [i.e. drugged whisky] caused him to fall and bop himself.
[US]P. Whelton In Comes Death 71: If Mauriel was bopped on some other street, okay, but there’s no sense to his being on Frog Lane Road.
[US]Wentworth & Flexner DAS.
[UK](con. 1940s) D. Nobbs Second From Last in the Sack Race 69: He liked it best when people bopped Huns.

3. (orig. US, also bap) to walk, esp. in a carefree, bouncy way.

[US]‘Paul Merchant’ ‘Sex Gang’ in Pulling a Train’ (2012) [ebook] He had been lone top dog on the turf, walkin and bopping the way he wanted.
[US] ‘Gator (U. Fla.) Sl.’ AS XXXIV:2 154: With all plans made clear [...] it’s time to boo out, bop off, or ease on (make a parting gesture).
[US]F. Kohner Affairs of Gidget 72: Bop on over. And tell her to snap it.
[UK]B. Beckham My Main Mother 146: Walking abreast but moving around [...] Leaning to one side and swinging one arm, the other in their pockets. I mean, bopping.
[US]R. Price Blood Brothers 83: I just bopped into the house.
[UK]A. Sayle Train to Hell 126: I bopped past my own compartment.
[US]T. Williams Crackhouse 65: Six teenage boys bop through wearing rabbit-ear hats, crooked caps, or hooded parkas.
[UK]N. Barlay Crumple Zone 3: Check Miss Thing boppin’ down the street.
[UK]L.K. Johnson ‘Double Scank’ in Mi Revalueshanary Fren 4: I site breddah Buzza / bappin in style / comin doun front line.
[US]T. Dorsey Hurricane Punch 165: I bop on out to the manatee-viewing platform.
[UK]G. Knight Hood Rat 139: They are always bopping, walking like one of their legs is broken, slanting to one side.
[US]‘Dutch’ ? (Pronounced Que) [ebook] Adjusting his sag as he slow-bopped to the car.
Harlem Spartans ‘Kennington Where It Started’ [lyrics] Flip flops when I bop in Harlem.

4. (US) to fight (with a weapon); thus bopping n., fighting.

[US]F. Paley Rumble on the Docks (1955) 92: He wants no bopping on our side.
[US]Life 28 Apr. 78: You gotta go on bopping (gang fighting) and hanging around on street corners all your life? [W&F].
[US]E. De Roo Big Rumble 85: You guys wanna bop? Is that what you want? War?
[UK]J. Mandelkau Buttons 30: I [...] hung round with a crew up there setting fire to mansions early in the morning and bopping skinheads.
[US](con. 1940s–60s) Décharné Straight from the Fridge Dad.

5. (orig. US) to dance; thus bopping n., dancing.

[US]L. Durst Jives of Dr. Hepcat (1989) 4: The stash begins to rock the band starts hopping, the real gone hits the floor and starts bopping.
[US]Baker et al. CUSS 87: Boppin and sloppin A wild party.
[US]B. Malamud Tenants (1972) 115: They bopped in unison [...] each dancing in his casual, habitual orbit.
[UK]J. Sullivan ‘Go West Young Man’ Only Fools and Horses [TV script] She was bopping the night away in a pair of jodhpurs.
[Aus]R.G. Barrett Real Thing 163: A throng of people, mainly big-bummed girls, were bopping away.
[US]Eble Campus Sl. Nov.
[UK]Guardian 2 July 21: Wear what you like, bop or lie down, eat or be sick.
[Aus]S. Maloney Big Ask 39: Hardly a thousand people were milling about, crowding the bars or bopping on the dance floor.

6. (US) to have sexual intercourse.

[US]L. Bangs in Psychotic Reactions (1988) 9: Boppin’ yer dingus on ol’ Sweet Slit Annie.
[US]Eble Campus Sl. Mar.
[US]Eble Sl. and Sociability 41: Additional examples can be found in many subject areas, particularly in terms for [...] sex (boff, bong, bonk, bop, bump uglies, grub, and pork).

7. (orig. US) to ride, i.e. a bicycle or car.

[UK]M. Thelwell Harder They Come 202: Cagney bopped his bronc [i.e. bicycle] through the traffic, eyes alert for the carelessly placed wallet or purse.

8. (orig. US) to look for someone to seduce.

[US]College Sl. Research Project (Cal. State Poly. Uni., Pomona) [Internet] Bop (verb) To look for someone of the opposite sex.

In phrases

bop around (v.)

to keep moving, to wander about rather than stay put; to visit briefly.

[UK]B. Beckham My Main Mother 176: Didn’t I bop around the school halls like I owned them?
S.E. Hinton Rumble Fish 102: Let’s go boppin’ around again tonight.
[US]Eble Campus Sl. Mar. 2: bop – stop by; call or visit briefly: ‘Let’s bop by his room this afternoon’; make one’s way about, seemingly without aim: ‘Just look at her bop around the dorm’.
www.toys-us.com [Internet] Bop around to the beat of crazy music and play your way through 150 levels of bubble-popping action.
bop it up (v.)

(US teen) to enjoy oneself, to go out on a spree.

[US]Hal Ellson Tomboy (1952) 156: What were you doing, bopping it up.
bop up (v.) [fig. use of sense 1, cognate with knock up v. (5), i.e. to make]

(N.Z. prison) to improve the tailoring of prison-issue clothing; thus bopped-up, enhanced.

[NZ]G. Newbold Big Huey 67: In the tailors’ shop the altering or bopping-up of institutional gear was the main spare-time occupation [...] Bopped-up short-sleeved shirts and tight pants were in great demand.