 In the original sense, a bitch slap is a powerful, full-swing slap in the face with the front of the hand, evoking the way an angry pimp might slap a defiant prostitute (not to be confused with a pimp slap which uses the back of the hand).However, the term is now frequently used figuratively to describe a humiliating defeat or punishment.To have the "bitch end" of a hand in poker is to have the weaker version of the same hand as another player.