1. To not be just another nobody.
2. Phrase from rare Mr. T video "Be somebody or be somebody's fool". Best to play a drinkinggame to while watching (drink whenever Mr. T says "be somebody"). Treat your mother right.
"you gotta be somebody, or you gonna be somebody's fool"
Past tense of be out , used in reference to someone who has left quickly or is going somewhere in a hurry, usually without giving reason or warning beforehand. Often used to describe someone in a car that has suddenly sped up and gone out of sight.
(while driving) "YO that dude just BEED out! oh, 5-0! 5-0!!"