Top Definition
A verb used to describe the action of sodomizing a canine with a hairbrush. Although initially used to refer solely to rectally violating a dog, the term can be generalized to other animals and other household items.

The term was initially coined by the Reddit community in response to a thread in which a canine named Colby was sodomized. It has since spread to various other forums.
I have been colbying every night recently and now my pen is stuck in a goat.
by N69sZelda September 08, 2012

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