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Wanting to get high; needing marijuana.
I was smunching all last week before the drug test.
by Gelly Lorum November 14, 2006
A cross of mushing something up....except with a munching sound.
Breaking apart legos creates a smunching sound.

The party edibles were delicious they made smunching sounds as you ate them.
by RageGLAM November 20, 2010