Green’s Dictionary of Slang

wimp n.1

also whimp
[? ext. wimp n.2 + note Wellington Wimpy a character in the cartoon film Popeye]

1. (also wimpo) a weakling, an indecisive person.

[US]Syracuse (N.Y.) Herald 14 July 7: (?) [Cartoon: ‘Them Was the Happy Days’ by C. V. Dwiggins] You always did dress like a wimp [...] remember that pinafore with the big pearl buttons ha! ha! ha!
[US]Ade Hand-made Fables 97: Next day he sought out the dejected Wimp who was hungering for the Eastern Hemisphere.
[US]T. Thursday ‘Little Boy Blooey’ in Ten Story Sports July 🌐 Say, lemme tell you wise wimps somethin’.
[US]Baker et al. CUSS 222: Wimp / alt. Whimp / A person without much social or academic ability. An ugly person, male. A person who studies a great deal. An effeminate male. A small or insignificant person.
[US]Time 9 Feb. 60: The sensitive, unathletic kid refused to stifle his artistic instincts. He served as president of the Art Association (‘Twenty of us little wimps reading Artforum’, says Wheelwright).
[Aus]Tracks (Aus.) Aug. 3: You gutless wimps think you own the beach in your half-filled sluggoes and white thongs [Moore 1993].
[US]S. Morgan Homeboy 225: John Henry was a wimp next to these two ironheads.
Dandy Book n.p.: ‘Bye, wimpo!’.
[Aus]P. Temple Black Tide (2012) [ebook] Lifts are no more for me [...] lifts are for wimps.
[UK]Indep. Rev. 19 June 3: Britain is creating a generation of teenage wimps.
[UK] T. Fontana and S. Nayar ‘Secret Identities’ Oz ser. 3 ep. 7 [TV script] If I’m invulnerable [...] why would I disguise myself as a four-eyed wimp?
[Aus]P. Temple Broken Shore (2007) [ebook] ‘I hear the surfies call it the Blue Balls Coast.’ ‘Wimps,’ Cashin said.
[UK]G. Malkani Londonstani (2007) 26: I was a ponce, I acted an sounded like a batty, I was a skinny wimp.
[UK]K. Richards Life 49: You can’t explain that you spend the whole day worrying [...] Wimps do that.
[US]S.M. Jones August Snow [ebook] ‘Spiegelman’s a wimp who spent his career [...] taking Eleanor’s orders like a Chinese laundry boy’.

2. a fellow, a man, with no pej. implications.

Sandusky (OH) Star-Journal 6 Mar. 12: (?) Next to the man who is brave enough to go to a dance without wearing suspenders we believe the party entitled to the Croix de Guerre is the wimp who eats roasted chestnuts in the dark.
[US]Syracuse (N.Y.) Herald 2 Oct. 4: Some chaps are born great, others get that way and still others have spotlights thrust upon ’em. But there is still a crushing percentage of wimps that will never run one, two, three in the Greatness league.

In derivatives

wimpish (adj.)

(orig. US) ineffectual and/or effeminate.

[US]S. Lewis Arrowsmith 311: Wimpish little men with spectacles.

In compounds

wimp-dick (n.)

(US juv.) a general pej.

[US]J. Ellroy Because the Night 40: 1956. Scarsdale, New York. Johnny Havilland, age eleven, known as ‘Spaz,’ ‘Wimpdick,’ and ‘Shitstick.’.
wimp-dog (n.) [dog n.2 (2a)]

(US campus) a male with little personality or assertiveness.

[US]Eble Campus Sl. Spring.
[US]D. Jenkins You Gotta Play Hurt 150: Another groan from the gallery. ‘You wimp dog!’ said Jeannie.
[US]Eble Sl. and Sociability 70: Dog is often the second member of a compound or phrase: [...] wimp dog ‘male with little personality.’.
wimp-out (n.)

cowardice, evasion.

[UK]New Musical Express 3 June at backpages.com 🌐 There’s still a miraculously high energy level – no wimp-out, Jack; believe it – but what it’s about now is going berserk and enjoying yourself.

In phrases

wimp out (v.)

(orig. US) to act in a cowardly manner, to let someone down, to fail to live up to a commitment.

[US]Baker et al. CUSS 222: Wimp out Be excessively submissive to your girl friend.
[US]Eble Campus Sl. Fall 7: wimp out – back out of a situation.
[UK]H.B. Gilmour Pretty in Pink 100: Prince Charming wimp out?
[US]C. Hiaasen Native Tongue 216: You mean, they wimped out.
[US]C. Buzzell My War (2006) 23: A lot of people change their minds, wimp out, jump ship [etc.].