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A derogatory expression referring to someone of Belgian or Dutch descent.
I liked Amsterdam but some of those butter mouths pissed me off with their attitude.
by Eddyde March 22, 2008
4 1
When you are high and it feels as though you have butter or peanut butter on the roof or your mouth.
"whoa, dude I got really bad butter mouth!"
by xxSlutxx March 03, 2007
11 10