XY bathroom - noun(n) - Signn denoting use of a certain bathroom by a certain gender based on genetics and not magical thinking. This delineation between male and female genders of the human species is definite and unwavering no matter what sort of costume a mentally ill individual may don.

Tranny 1 - "Hey, I'm going to the bathroom, my taped up junk is about to fall."

Tranny 2 - "Better use the XY bathroom, the owners of this bar won't play games with you getting into the ladies' room. It doesn't matter matter what form of penis mutilation you choose or whatever of your multiple personalities dominates your outlook today."

Note - this is the opposite of an XX bathroom and is known colloquially as the Mens' room.
Tranny 2 - "Better use the XY bathroom, the owners of this bar won't play games with you getting into the ladies' room. It doesn't matter matter what form of penis mutilation you choose or whatever of your multiple personalities dominates your outlook today."
by $lapaho January 13, 2021
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