Green’s Dictionary of Slang

puff v.

1. to break wind [SE puff, to discharge a puff of air].

[UK] ‘Panche’ in Furnivall & Hales Bishop Percy’s Folio Manuscript of Loose and Humorous Songs (1868) 65: The woman ffisled : ‘nay, blow not,’ quoth hee / for cold enough they bee.’ / with that shee puffed againe, / & made him angry bee.
[UK] ‘Aminta One Night Had Occasion To Piss’ in Farmer Merry Songs and Ballads (1897) I 202: To fix the Pot close to her own A---; / Then Floods did come, / One might have swom, / And puff a Whirl-wind flew from her B--.
[UK]Partridge DSUE (8th edn) 930: [...] late C.19–20.

2. (UK Und.) to impeach, to inform against.

[UK]Life and Character of Moll King 12: But Moll, don’t puff.

3. (US Und.) to speak, to tell.

[UK]Slops Shave at a Broken Hone 10: The thickest pate Grub-street man of letters, / May puff his libel to the gaping mob.
[US] ‘Lady Kate, the Dashing Female Detective’ in Roberts et al. Old Sleuth’s Freaky Female Detectives (1990) 33/2: ‘Had he no news?’ ‘He didn’t “puff” anything.’.

4. in drug uses [puff n. (5)].

(a) to smoke opium.

[US]D. Hammett ‘Fly Paper’ Story Omnibus (1966) 38: Is he still puffing them [i.e. opium pipes]?
[US]A.J. Pollock Und. Speaks n.p.: Puffing, indulging in opium smoking.
[US]Monteleone Criminal Sl. (rev. edn) 184: puffing Smoking opium.
[US]Lait & Mortimer USA Confidential 145: The corner of Geary and Webster is the social hangout of Frisco’s poppy-puffers.
[US]D.E. Miller Bk of Jargon 343: puff: To smoke opium.

(b) to smoke cannabis.

[US]Pittsburgh Courier (PA) 29 Oct. 11/1: Harlem Dictionary [...] Bring Down. Something depressing. These guys who go around puffing weeds, thinking that’s their qualification as a musician, bring us down.
[US]Lait & Mortimer USA Confidential 31: They may be puffing marijuana.
[US]Look 8 Aug. in Lingeman 1969: n.p.: The fringe majority, friends, roommates of ‘heads,’ puff pot a couple of times and use amphetamines before exams.
[US]D. Jenkins Semi-Tough 227: She was puffing on a joint.
[UK]J. Sullivan ‘Big Brother’ Only Fools and Horses [TV script] I know a good joint when I puff one.
[UK] in R. Graef Living Dangerously 94: When I first started, hardly anyone puffed.
[UK]N. Griffiths Grits 191: Ee’s been puffin like uh fuckin chimney since the fuckin seventies like.
[US]Hashbash.com 🌐 No, it is not legal (yet) to smoke marijuana at the HASH BASH. [...] While at this point we can not endorse this we can pass on some pointers to keep you from getting busted. Here they are: It’s not the puffin’ it’s that passn’..........Smoke your own, they watch for that ‘ear yer hit’ passing of the jay.
[US]J. Díaz This Is How You Lose Her 96: I had to hide my puffing, while he twisted his joints right in the living room.

5. (US Und.) to open a safe with an explosive charge [puff n. (4a)].

[US]Spokane Press (WA) 22 Sept. 7/3: They are going to go down state and puff a few boxes.
[US]A.J. Pollock Und. Speaks n.p.: Puffing a pete, dynamiting a safe.
[US]Monteleone Criminal Sl. (rev. edn).

6. (US black) to ride, walk or fly.

[US]L. Durst Jives of Dr. Hepcat (1989) 5: Jackson, you may puff on down cross states, hit the high spots from Chi to sugar hill, do a statue act on 18th and Vine or tamp the stroll on Lenox Avenue. Wherever your anchor you just ain’t nowhere until you get a house party invite.

In derivatives

puffed (adj.)

(US drugs) intoxicated by a smokeable drug.

[US]D.B. Flowers Bangs 257: [He] arrived to find another of Doherty’s free-for-all, frenzied parties in full swing, about fifteen people half-naked and puffed out of their minds.

In compounds

In phrases

puff the magic dragon (v.) [sense 4b above + ref. to the song ‘Puff the Magic Dragon’ (1963) by Peter, Paul and Mary]

to smoke cannabis.

[SA]Big Issue (Cape Town) 10 Jan. 20/1: Not having puffed the magic dragon for over a decade, it was a shock to dicover that cannabis is still illegal.