1. When multiple males have sex with the same female in a row during her menstrual cycle.

2. When guys run a train on a girl or woman while she has her period.
I heard the guys from Thomas Ave. gave that drunk girl from the pub a Red Trolley.
by Pete12cent November 11, 2006
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similar to "got off my kool aid," but with way more Italian jealousy. When an absolutely gorgeous redhead is involved, an Italian guy would say "get off my red trolley!"
by Not-A-Competition January 26, 2013
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A red trolley is when you go down on a girl while she is on her period.
Dude, I totally gave your girl friend a red trolley last night.
by Phoenix911 February 24, 2011
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