1 definition by phess01

whack it up

Slang for dividing up property (usually cash) amongst multiple parties that may be entitled to it.

Sara and Mindy both thought they were entitled to an annual Christmas gift of $200 that was sent by a client they both worked on over the past year. Tim, their boss, broke up the cat fight and suggested that they just whack it up amongst themselves.

by phess01 November 3, 2006