Top Definition
The facial expression of a eccentric upside down smile/cringe neccesary after chewing up extacy pills, also known as the thizz face made popular by mac dre.
-"yo check it I put up my umbrella mouth for my year book picture." -put that smile upside down , UMBRELLAAAAA MOUTH :"MAC MALL AKA SUGAWOLF"
by Jomz January 25, 2009
9 Words related to Umbrella Mouth

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