Meanings
nut up1
present singular third person nuts up · participle present nutting up · participle past nutted up · past nutted up
- intransitiveslangTo show courage and hide one's apprehension.
Synonyms: man up, endure, put up with, take lying down
nut up2
present singular third person nuts up · participle present nutting up · participle past nutted up · past nutted up
- intransitiveslangTo lose one's temper, go nuts.
And what if some shit went wrong? Pimp was known to get crazy over minor shit. I didn't know if I could trust him to pull off a job like this without nutting up in the middle of the mix.
2006, Noire [pseudonym], Thug-A-Licious: An Urban Erotic Tale, New York, N.Y.: One World, Ballantine Books, →ISBN, page 103Synonyms: nut out
Synonyms & antonyms
verbTo show courage and hide one's apprehension.
verbTo lose one's temper, go nuts.
Origin
nut up · verb
From nut + up (influenced by expressions like "man up" or "shut up"; "nut" refers to testicles, symbolically implying being more manly).
Full word history & related roots →nut up · verb
From nut + up, apparently related to go nuts and do one's nut.
Full word history & related roots →Cite this entry
nut up. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/nut%20up
“nut up.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nut%20up. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “nut up,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/nut%20up.
Source: nut up on Wiktionary, CC BY-SA 4.0.