tea room queen
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tea room queen | A person who likes to cruise the public washrooms for random sexual encounters.
Meaning
Slang term used to describe a person who prefers to cruise for random sex in public washrooms.
Waiter is one who generally loiters or waits outside the actual bathroom, but is cruising none the less.
Noteworthy: Washroom Faggot is more derogatory, and is used in a sort of camp style by other Gay's.