aka spitting bars; another way of saying rapping or asking a person to rap battle.
John:"yo ro's a bitch"
Ro:"oh yea, wanna spit some bars"
John:"yo check it, you a bitch, I put you in a ditch, your a pussy and your mom smells like badussy"
Ro: "True"
by that midnight black nigga December 13, 2011
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