nut up

== English == === Pronunciation === IPA(key): /nʌt ʌp/ === Etymology 1 === From nut +‎ up (influenced by expressions like "man up" or "shut up"; "nut" refers to testicles, symbolically implying being more manly). ==== Verb ==== nut up (third-person singular simple present nuts up, present participle nutting up, simple past and past participle nutted up) (intransitive, slang) To show courage and hide one's apprehension. ===== Usage notes ===== Often used in the imperative form, sometimes in the phrase "nut up or shut up". ===== Synonyms ===== man up endure put up with take lying down ===== Related terms ===== shut up ===== Translations ===== === Etymology 2 === From nut +‎ up, apparently related to go nuts and do one's nut. ==== Verb ==== nut up (third-person singular simple present nuts up, present participle nutting up, simple past and past participle nutted up) (intransitive, slang) To lose one's temper, go nuts. === Anagrams === unput