Alternative form of bare-knuckled

simple past tense and past participle of bare-knuckle

Without boxing gloves / Ruthlessly competitive

(boxing) Without boxing gloves. / (by extension) Characterized by ruthlessly attacking or overpowering an opponent, especially when using underhanded techniques.

To box without boxing gloves. / To attack or overpower ruthlessly.

simple past tense and past participle of white-knuckle

Third-person singular simple present indicative form of white-knuckle

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

(slang, vulgar) Semen or ejaculate resulting from masturbation.

(informal) A credit card imprinter.