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1.
Performing Cunnilingus on an unusually large woman
Dude... Davey P was doin the moose munch on that sasquatch last night...
by Herman H April 06, 2007
 
2.
When a guy with an extremely large nose tries to go down on a girl, but just can't gain entry.
1) His nose is to blame for all of his moosemunch encounters.

2) Vicki got moosemunched when she asked her Iraqi boyfriend to eat her out.

by Maryjuana October 03, 2006