Top definition
1. The intoxicating vomit created after consuming any greasy and fatty fast food. Can be from any resturant but most commonly McDonald's. 2. Can also be used as a verb (MCChunking)
1. After Big Mac Monday Mike spent his night in a bed of mcchunks.

2. Tom could not stop Mcchunking after he had the Sausage McMuffin
by Da Herb Man January 03, 2007
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