A kid's word that means a plunger for a toilet. "Fopo" is onomatpoeic for the sounds produced by the plungerin the water of the toilet bowl: "fo" for the downstroke and "po" for the upstroke, especially when there is a popping sound if the flanges of the plunger get caught under the rim of the whirlpool.
When people who are either, drunk, dumb, on drugs, or who are not educated Do not know the correct term for a spoon-fork, which is called a spork not a fopoon
Dude, I totally made a fopox this weekend. I was at the pub with the guys and I asked Will what was up with his lip. Turns out bro was diagnosed with monkey poxthe next day. Anyhow, what you doing tonight?