monkeyspank Share definition Flag A jerkoff/wanker. An epithet used frequently by Butt-head to Beavis on Beavis and Butt-head. "Beavis, you monkeyspank, you'll never get laid because nobody likes you, you're not good at anything and you're a dumbass" monkeyspank by dilary huff October 5, 2007 0 0 Get merch Get the monkeyspank mug. Buy Now — $32.95 See more merch