oscar-slap Share definition Flag when someone puts a warm hotdog on their crotch and then slaps someone in the face while they are asleep Man someone oscar-slapped me once and I really thought it was their dick! oscar-slap by The_Dude_reappears April 23, 2006 0 0 Get merch Get the oscar-slap mug. Buy Now — $32.95 See more merch