When you discover your same-sex lover (actual or potential) is in a relationship with someone of THE OPPOSITE SEX.
You: Sup? You still trying to hook up with what's-her-name?
Her: Naw man, I just found out she's dating some guy she met in college... #StraightGate
You: What?! No way - I totally thought she was a lesbian!!!
by MaskedBandits August 27, 2018
Get the straightgate mug.