1. To Brutally Assult someone using a single attack to their face with a closed fist.
2. To Sexually Assult someone in a manner where after they have been given a facial you smack them across the mouth.
1. Woah! after Dan told Kaitlin she was p.m.s'ing she cumpuched him.
2. Kaitlin:Dan why did u cumpunch me
Dan: 'Cause u a Stupid Ho.