-2 IQ
When calling someone "-2 IQ", this means that the person believes there are more than 2 genders. If they do know there are only to genders, they are then called a "genious".
Guy1. Dude... This chick has -2 IQ...
Guy2. Bro, does she not understand you either got a dick or don't?
Guy1. I don't know bro, she kinda stupid.
Guy2. Bro, does she not understand you either got a dick or don't?
Guy1. I don't know bro, she kinda stupid.