Funion Fucker Share definition Flag Someone that has sexual intercourse with a funion (a fried onion snack) on a friends bed while the friend is playing Tony Hawk's Pro Skater 4. 1. That kid is a funion fucker, insn't that kinky? Funion Fucker by RHCPfan December 24, 2008 Get the Funion Fucker mug.