big up

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big up

verb bigs up · bigging up · bigged up · big upped

informal, transitive To increase one's muscle mass. She was bigged up—had a weight-lifter's rippling arms.
Similar: build up, bulk up, pump iron, work out
informal To become big. Relatively simple multicellular forms had already existed for a hundred million years when the Cambrian began: the explosion had a long fuse, and during this earlier fizzling life experimented with various ways to big up.
Similar: enlarge
slang, transitive To behave confidently and proudly.
slang, transitive To proclaim or exaggerate the importance of; to promote. I want to big up my bro on the mic.
Similar: overemphasize, overplay, play up, sell, big up, cut it fat, exaggerate, hyperbolize, overcharge, overdo, overstate, stretch

noun big ups

slang Significant respect or acclaim. I want to give a big up to my bro on the mic.
Similar: props, respect

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MLA

"big up." Wiktionary, via Micwyn, micwyn.com/word/big%20up. Accessed 6 Nov. 2026.

APA

big up. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/big%20up

Chicago

"big up." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/big%20up.

BibTeX

@misc{big_up_2026,
  title = {big up},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/big%20up},
  urldate = {2026-11-06}
}