to show anger or disappointment towards something.
yelling fuck with in a low rumbling tone to the point where your out of breath. it should sound more like fock.
Jew Number 1:Hey dude, i didnt see the game, did the Chargers win?
Jew Number 2:No dude, they got molested by the chiefs 45-7.
Jew Number 1:FOOOOOOOOCK! *cough*
Jew Number 2:ya ok nigga?
Jew Number 1:sheah brah i im just pissed the Chargers losFOOOCK!