(Vulgar slang) sexual intercourse. Probably origined from the banging between the pubic areas when the penis goes in and out of the vagina.
Lucy? I banged her last weekend. / I was furious last night because he aroused me but wouldn't give me the bang.
by Anonymous July 14, 2002
by Anonymous August 25, 2003
by Anonymous September 09, 2003
by Anonymous June 16, 2002