Knucklin' up

“Why were they knucklin' up in the store?”

“Beverly Hillbilly, black gold, Texas tea? where they'll merk you And peel your potato instead of knucklin' up" - E-40, The Server.”

“From where the first time to beef a muh fucker mess up Instead of knucklin' up" - Neef, Parade.”

“Kay up with the gun and he'll what (Like what like damn) Then we bought then we knucklin' up" - Dee Billz, 41 Bop.”

“You throwin' hands? Nigga there's more to combat than just knucklin' up" - QP, QP vs. JC.”