The thrusting motion created when providing anal sex to another party. The term derives from a veterinarian providing a domesticated animal a rectal examination.
John: Hey man, when I went into your room yesterday, I saw you doing the Pet Detective on Emily.

James: Yeah. It's all in the arms.
by Civics February 12, 2012
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like ACE! but you add the name of ace ventura pet detective on the end
god, that gig was ace ventura pet detective!
by skinnygangster September 5, 2006
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