2 definitions by Avery Longie

Top Definition
The coating that remains on the upper lip after drinking a glass of milk.
After drinking a glass of milk, the little girl said, "Look mommy, I have a milkstache!"
by Avery Longie September 27, 2007
To act in a goofy, silly manner.
Boy, you girls are being silly. When did you funny up?
by Avery Longie November 24, 2007
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