Partrick Giggleworm's definitions
Used in a random situation, one person uses the palm of their hand and and hits the chin of another person causing them to either bite their lip or tounge. When you do this you say chinchilla!
In the middle of her sentence, I gave my sister a good chinchilla, and I made her bite her tounge and she started bleeding.
by Partrick Giggleworm July 21, 2009
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