Top Definition
Used to show annoyance with somebody’s blatant stupidity. The item need not be an actual alpaca.
1) Dude, you have a camel in your backyard.
2) It's an alpaca, dumbass.

1) *points at paperclip* Look at that staple!
2) It's an alpaca, dumbass. *rolls eyes*
by alpacadumbass March 14, 2011

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