knuckle up (0 synonym found)

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Definition of knuckle up:

(v) : (informal, chiefly African-American Vernacular) To clench one's fist(s) as though in preparation for a fight.
(v) : (informal, by extension) To approach a problem aggressively.
(v) : (slang) To strike or fight.

Definition of knuckle up:

(v) : (informal, chiefly African-American Vernacular) To clench one's fist(s) as though in preparation for a fight.
(v) : (informal, by extension) To approach a problem aggressively.
(v) : (slang) To strike or fight.

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