Top Definition
IMRU is a way to show people subtly that they are gay, as well as asking if you are. It is meant " I am, are you?"
Girl 1 :That girl has IMRU on her shirt. What does that mean?
Lesbian 1: It means she's gay,and wants to know if anyone else is. She's hot though, I'm going to go talk to her.
by Helping out the uninformed August 17, 2008
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