Top definition
When a frequent marijuana smoker appears to have gained weight in the stomach due to frequent snack attacks while under the influence (aka the munchies)
"Dude, I've smoked so much bud lately I've been getting a munchie belly."

"That boy smoke too much weed. He look like he gots a munchie belly!"
by Danielston & Linzers April 16, 2010
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