When one exposes their penis and smacks against a surface, such as a window or an actual person.
You can penis smack someone in the face. But it is considered gay to penis smack another penis.
You can penis smack someone in the face. But it is considered gay to penis smack another penis.
by Gmoney56 November 8, 2007
Penis smacking is the art of repeatedly hitting your own penis with your, or anothers hand for pleasure. You can also use objects such as wood, spoons, whips, and maces.
Bill: My penis hurts. Andy: Why? Bill: That stupid bitch Kate started Penis Smacking me the other night with a whip!
by Chase11 June 27, 2009