What is Foopid?
1.
Funny-stupid. When someone does something so idotic, it's hilarious.
Dude #1: Have you seen the new Ace Ventura movie?
Dude #2: Shit's foopid, yo.
See
2.
A combination of the words "fucking" and "stupid" in order to quickly call someone a "stupid fucker".
"You're a foopid ijjit"