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1.
When a group of gay guys flirt hard with the straight man who steps into the room.
Man i went over my gay cousins house and got straight bash ed!
by Zigity Zay July 18, 2008
 
2.
to convert a heterosexual to the homosexual lifestyle by seducing them, if only for a night
lesbian: "OMG, there are so many hot heteros here tonight! Let's straight bash!"
by Sellum/Jurri June 30, 2008