punch up
/ˈpʌntʃ ˌʌp/verb
RareNot in standard dictionaries
1
To beat (someone) up by punching, to fist-fight.
2
To attack, counterattack, or target a group of greater power or status than oneself.
3
To make bolder, zestier, or more exciting.
4
To switch (a source) into the main transmission.
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#slang