whack up

whack someone or something up

Sl. to damage someone or something. Bob got mad at Greg and whacked him up. Clara whacked up her car yesterday.
See also: up, whack
References in periodicals archive ?
The bank yesterday confirmed plans to whack up the monthly charge on their popular 123 current account, from PS2 to PS5 a month.
The bank yesterday confirmed plans to whack up the monthly charge on its popular 123 current account from PS2 to PS5 a month.
3billion loss after becoming the latest lender to whack up its estimated bill for mis-sold PPI - by PS400million.