your at a party yh, then 2 2's u turn round n sum gals r fighting yh, sum1 would shout ," fight a bruck out". this is jus like saying theirs a fight over there.
Verb: the act of leaving a social event (even when it is at one's own house) without telling anyone; usually done by someone who drives rather quickly in as all car in order to not be noticed
"That movie was a buck out when I watched it stoned..",
"The crazy crackhead junkie was bucking me out..",
"I bucked out when i saw my grandma smoking a blunt..".