fo sho fo sho

Stating that you are "for sure" going to do something. It is definate and without a doubt (that is why it is stated twice in a row).
Known from the character Seth in the popular teen movie Superbad, where he tells Jules that he will "for sure" buy alcohol for her party.

"Yeah we're going to the party fo sho fo sho. We're going to the party fo sho."

by shannybanny March 21, 2008

FOS

Fishy Odour Syndrome - when someone's genitals smell of fish.

"OMG, that girl I took home last night had a severe case of FOS. I had to fake vomiting and get out of there fast."

by happynoj March 17, 2010

FOS

Friend Over Shoulder
the person (friend or acquaintance) who is always just around when you are having a conversation

"Shh...he might hear you!"
"Are you kidding?! The FOS doesn't know what the fuck is going on in this world"

by smoke weed every day January 4, 2009

[foing]

The gangster term for going.

I'm foing to go buy me some new galoshes.

by Robber snake January 15, 2009

FOS

Father over shoulder.

Stop the cybering! FOS!

by AriBigFatBlackGuy November 30, 2009

mo fo fo sho

Mother fucker for sure

"Dude I pwnx ur momz11!"
Mo fo fo sho!

by urmotherlicksmyballz November 15, 2009

fo hoppin

if you roll on hydros, seems like it makes your car rise into the air when you start it up and when you drive it you can hit one of the 4 switches then make your roll bounce from side to side, front to back or make it pancake

"fo hoppin, ass droppin" Ice Cube

by Swoopa March 1, 2009