1) A protégé of the anal arts

2) Slang Phrase - Derogatory - Meaning Homosexual

Origin:
Backdoor (The anus, vis-a-vis anal sex. )

Pilot (A skilled individual who can navigate through tight spaces)
I didn't think I would like anal but he was one hell of a backdoor pilot
by atwatofgingers December 24, 2014
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