punch-out

[ puhnch-out ]
/ ˈpʌntʃˌaʊt /

noun

a small section of cardboard or metal surrounded by perforations so that it can be easily forced out.
Slang. a fistfight or brawl.

Origin of punch-out

First recorded in 1925–30; noun use of verb phrase punch out
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019