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1.
The action of calling someone on their bullshit. If someone tells an improbable story, just wave the imaginary purple flag.
"Dude, I had sex with three girls last night!"
*Waves flag* "Purple flag!"
by knotlock January 22, 2014

Words related to Purple Flag

fag purple bullshit flag gay half lie purple flagged truth
 
2.
It means to be gay or homesexual
Half the people on myspace are purple flags
by Sally Franklin September 23, 2006