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1.
Dating except its between two men or two women
Yo dude, that was super queer. You guys might well be gating.
by Tonger10 May 23, 2011
 
2.
The act of dating a male (assumed to be straight) and making them turn gay, upon ending the realationship
Megan used her gating magic to turn another cutie.
by Kevin Friedman March 13, 2006
 
3.
(v.) When a straight female tries to date a gay man
Collin: "Hey is Morgan single?"
Kelly: "No, she's gating Mike who is dating Steve."
by PeloFellow May 29, 2014