Green’s Dictionary of Slang

bird n.3

1. (mainly US) the penis; thus jerk one’s bird, to masturbate; get one’s bird in a splint, to get into (painful) difficulties; gobble someone’s bird, to fellate; how’s your bird? a phrase of greeting.

[UK]Gentleman’s Bottle-Companion 14: Here’s the nest in the bush, and the bush’s best friend, / And the bird who his life in that nest loves to spend.
[UK] ‘Toasts And Sentiments’ in Nobby Songster 47: The bird in the hand and then in the bush.
[UK]Farmer & Henley Sl. and Its Analogues.
[US] ‘Lou Gehrig Goes West’ [comic strip] in B. Adelman Tijuana Bibles (1997) 118: Put that bird in my gilded cage.
[US]C. Himes Pinktoes (1989) 32: You ain’t the first woman to be screwed by a bird.
[US]W. Hill One of the Casualties 227: Maybe you got our bird in a splint, you numbskull [HDAS].
[US]B. Rodgers Queens’ Vernacular.
[US]Rowan and Martin’s Laugh-In [TV script] How’s your bird, baby? [HDAS].
[US]R. Price Blood Brothers 46: He hangs aroun’ gettin’ laid an’ jerkin’ his bird.
[US]H. Selby Jr Requiem for a Dream (1987) 50: Marion hungrily gobbling his bird.

2. (US) the vagina.

[US]H. Rhodes Chosen Few (1966) 163: Sounds like she didn’t give you that bird yet.
[US]J. Wambaugh Choirboys (1976) 290: I kneel there and look right at her bird.

3. (US gay) fellatio.

[US]B. Rodgers Queens’ Vernacular.

In compounds

birdbath (n.)

the vagina.

[US]J. Wambaugh Choirboys (1976) 56: Someone shoulda plugged my old lady’s birdbath and I wouldn’t be in this fix.
bird circuit (n.)

see separate entry.

In phrases

bird in a gilded cage (n.)

(US gay) a man’s crotch in a pair of expensive trousers.

[US]B. Rodgers Queens’ Vernacular 31: bird in a gilded cage man’s crotch clothed in expensive trousers.
cop a bird (v.)

(US) usu. of a prostitute, to fellate.

[US]D. Maurer ‘Prostitutes and Criminal Argots’ in Lang. Und. (1981) 117/2: way down south in Dixie. The act of ‘Frenching’ a man. Also cop a bird.
[US]G. Legman ‘Lang. of Homosexuality’ Appendix VII in Henry Sex Variants.
[US]Guild Dict. Homosexual Terms 9: cop a bird (v.): The act of fellation. (Slang.).
[US]B. Rodgers Queens’ Vernacular.