Green’s Dictionary of Slang

fluff v.1

1. to disconcert or put off a public speaker.

[UK]Farmer & Henley Sl. and Its Analogues.
[US]M.A. Crane ‘Misc.’ in AS XXXIII:3 225: When someone puts you down he criticizes you unfavorably, he fluffs you.

2. (orig. theatre) to make a mistake, to bungle.

[UK]Era (London) 27 Feb. 14/5: Launay's description of the way in whiab he came to undertake his errand should have been recounted with the polished lightness of an aristocratic Frenchman; it was simply ‘fluffed’ sloppily.
[UK]Farmer & Henley Sl. and Its Analogues.
[UK]Sheffield Wkly Teleg. 24 Mar. 16/1: He fluffed and fluffed, but managed to struggle through the speech somehow.
[UK]Wodehouse ‘Extricating Young Gussie’ in Man with Two Left Feet 38: I never knew when I might fluff my lines.
[UK]Wodehouse Carry on, Jeeves 196: He fluffed in his lines [...] just stood there saying nothing.
[UK]Yorks. Post 29 Feb. 9/5: [headline] A Leeds Actor who 'Fluffed'.
[UK]Burnley Exp. 12 Jan. 4/3: Clarke and McLaren both 'fluffed' possible chances through over-eagerness.
[US]J. Thompson Savage Night (1991) 19: He knew I wouldn’t fluff the job.
J.R. Ackerley We Think the World of You (1971) 107: I expect he thought you’d fluff.
[UK]N. Cohn Awopbop. (1970) 244: I fluffed completely.
[Aus] in K. Gilbert Living Black 35: Okay, she fluffed that chance.
[UK]Viz Oct./Nov. 2: Sorry Tom. I fluffed the punchline.
[UK]Indep. on Sun. Culture 13 June 8: Kay had to restart [...] after fluffing the lyrics.
[UK]Observer Rev. 28 May 16: An appearance on the US soap General Hospital saw her fluffing her lines.
[Aus]S. Maloney Sucked In 113: Hear my lines [...] I was fluffing big time at the walk-through.

3. (Aus.) to talk superficial nonsense, thus fluffer, a superficial chatterer.

[Aus]Lone Hand May 80: You’ll be amazed to find what drivel the Judge can talk, and listen to. [...] He loves ‘fluff’ off the Bench... [He] told my husband that if he had found a woman who could fluff smartlyhe would ask her to marry him...Yes, wouldn’t she be a lucky fluffer.

4. to bluff, to lie.

[UK]J. Ware Passing Eng. of the Victorian Era 134/2: Fluff in (Lower Peoples’). Deceive by smooth modes.
[UK](con. WWI) Fraser & Gibbons Soldier and Sailor Words 96: Fluff, To: To brag. to boast. To lie.
[US]D. Branch Cowboy and His Interpreters 218: A dishpanful o’ something that smelled so much like peace an’ joy that even Ebenezer quits fluffin’ about bein’ asleep.

In phrases

SE in slang uses

In phrases

fluff about (v.)

(N.Z.) to waste time, to mess about.

‘Tasma’ In her Earliest Youth II 178: No! I like to get you a bit excited, though [...] There—now—don’t you fluff! Everything’s as right as the bank, I tell you.
[NZ]McGill Reed Dict. of N.Z. Sl. 80: fluff about Dither instead of getting the job done.
fluff it up (v.)

(US gay) to make the penis erect prior to appearing on the street in tight trousers.

[US]B. Rodgers Queens’ Vernacular 83: fluff it up 1. to work up an erection.
fluff off (v.)

see separate entries.

fluff up (v.)

1. (US drugs) to adulterate a drug to bulk it out.

[US]Smith & Gay Heroin in Perspective 201: Fluff. To chop up dope (usually heroin or cocaine); to make it bulkier and more even in consistency.

2. to get drunk, to become intoxicated by drugs.

[UK]K. Sampson Powder 457: Sort this cunt out, will you! Just fluff him up!

In exclamations

fluff it!

see separate entry.