elephant butt
When a person has a rear end that is smaller and flatter than their torso, creating an effect that looks much like the rear end of an elephant minus the tail.
"man that girl didn't have anything on her backside, looked like she had an elephant butt."
elephant butt fuck
Kneeing someone very hard in the ass from behind without them having any knowledge you are about to do so.
"dude i was just pissing in the urinal and James elephant butt fucked me and i damn near fell in the urinal.