Definitions by TeamDiesel

Bull 

A individual who possesses extreme motivation, perseverance, and commitment to his/her goal.

Look at Rudy going after Sabrina at work...that dudes a fucking bull!

Mess with the bull you get the horns pal, Daryl just doesn't give up.

Danny's been grinding all night, that guys a straight up bull!

Bull by TeamDiesel August 2, 2011