From The Collaborative International Dictionary of English v.0.48 [gcide]:
Bang \Bang\ (b[a^]ng), v. t. [imp. & p. p. Banged; p. pr. &
vb. n. Banging.] [Icel. banga to hammer; akin to Dan. banke
to beat, Sw. b[*a]ngas to be impetuous, G. bengel club,
clapper of a bell.]
1. To beat, as with a club or cudgel; to treat with violence;
to handle roughly.
[1913 Webster]
The desperate tempest hath so banged the Turks.
--Shak.
[1913 Webster]
2. To beat or thump, or to cause (something) to hit or strike
against another object, in such a way as to make a loud
noise; as, to bang a drum or a piano; to bang a door
(against the doorpost or casing) in shutting it.
[1913 Webster]
3. To have sexual intercourse with; to fuck; -- usually used
with the male as a subject. Considered vulgar or obscene.
[vulgar slang]
[PJC]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Banging \Bang"ing\, a.
Huge; great in size. [Colloq.] --Forby.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
banging
adj 1: (used informally) very large; "a thumping loss" [syn:
humongous, banging, thumping, whopping,
walloping]
n 1: a continuing very loud noise
2: the act of subjecting to strong attack [syn: battering,
banging]