Top Definition
When chicks, usually very preppy chunk on make-up on their eyes. So much mascara to the point that throughout the day it chunks off into their eyes or onto their cheeks. Rarely into the eyebrows. It's not very attractive but they do it anyways. And to go with it they wear an inch on their face.
"Oh Samantha you arent Chunking on this morning, I see you don't want the full affect"
"HAHA oh jeez look Joe she's chunking off onto her face and she doesnt even realize"
by kelx April 05, 2006

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