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1. to engage in coitus with a mammal outside of the human species

2. to perform an act of bestiality
I was especially horny, the dog was in heat, so I cheeseboated the hell out of that pup.
by ItsJester April 06, 2006
1. Douchebag

2. One who lies about their age on a forum

3. To commit an act of beastiality
1. Why did you neg me!? OMG! n00B!

2. Self explanitory

3. So I was cheeseboating the cat and it ran away. Then it came back and licked my butthole.
by kkid28 September 16, 2006