Chair Crusher Share definition Flag A overweight person who is so extremely fat, if they sit on a normal human chair it will be crushed by their massive girth. dude 1 : Did you see that fat chick at the bar?dude 2 : Yeah, she was a real chair crusher Chair Crusher by TV CAR July 25, 2010 0 0 Get merch Get the Chair Crusher mug. Buy Now — $32.95 See more merch