Flame retardant 

A safer way to call someone retarded without a teacher knowing. Make sure to put “expired” in front of it to lower suspicion.

Joe: I failed the math test. How was I supposed to know that x is equivalent to 2?
Mike: You expired flame retardant!

Flame retardant by Thebirdman567 November 8, 2019

Flame Retardant 

A person with "special needs" who is also gay.

Tard #1: "Did you hear about Chuck? He came out of the closet!"
Tard #2: (makes random noises) "...and I thought I was the only Flame Retardant!" (burps)

Flame Retardant by KC MasterBeast July 2, 2011

flame retardant 

Person or object used by males to block advances from memebers of the same sex.

I had to go to a gay bar with my friend Christopher the other night so I invited my friend Laura to go and pretend to be my girl friend and act as a Flame Retardant.

flame retardant by SI_ex_pat February 8, 2010