friggin mo

A friggin moron. A nicer way of saying, fucking moron. Comes from Freaks and Geeks, courtesy of Daniel Desario.

"Dude, don't be such a friggin mo."

Tom- Hey should I ask out Susan? She was hitting on me today.
Al- Dude, don't be such a friggin mo, she sleeps around, if you do wrap that shit twice!