When someone of shorter persuasion (preferably with large calves and short arms), covers his genitals with peanut butter, allows his or her dog to lick it off, causing ejaculationon the dog , which in return makes the dog bite his or her elbow.
Jack: Hey man, I was home last night and I was really bored so i did the Campbell Peanut-Butter Trick.
Connor: Ew gross man, you would.
Jack: Nah man, its totally a hip thing right now.
Connor: As if! I bet you do it every day!
Jack: ...