dangle, n. — Green’s Dictionary of Slang

dangle n.

1. the penis.

[c.1886		Tilly Touchitt 13: Such a strange, long, lolloping dangle-dumdee].
1967–8		Baker et al. CUSS.
1977		S. Berkoff East in Decadence and Other Plays (1985) 60: Thought I tasted something very strange on his straining dangle.
1984		(ref. to WWI) Partridge DSUE (8th edn) 290/2: dangle-parade. A ‘short-arm’ inspection: NZ soldiers’: WWI.
1985		S. Berkoff West in Decadence and Other Plays (1985) 116: I’m channelled up the escalator still holding my dangle.
2001		Guardian G2 5 July 8: Of all the pleasures some may find in the male dangle, I venture that the view is not among them.

2. (US) an impotent man.

1975

J. Roe The Same Old Grind 201: ?Who was you with? Some old dangle who can’t get it up?’.

dangle queen (n.) [-queen sfx (2)]

(US gay) one who wears clothes that deliberately emphasize the penis, or who exposes the genitals.

1988

H. Max Gay (S)language 11: Dangle queen—gay who wears tight pants or exposes himself completely.

on the dangle (adj.)

(US campus) of the penis, flaccid; of a person, sexually unexcited.

1971