granny fit Share definition Flag a granny fit is just like any other fit accept form it can be fixed by placing a cushion on them as seen on Cops on zone reality Q: hey tim had a granny fit last night P: did they get him some cushions Q: yes P: good granny fit by Billy Bob Goat June 17, 2009 0 0 Get merch Get the granny fit mug. Buy Now — $32.95 See more merch