1- the act of sharting in mouth while fingering twin sisters.
2- to have too many people in the back seat of the car.
3- to be whipped
4- the act of using gorilla glue.
5- to improperly fine a person
1- I totally guilfoy'd your mom last night
2- We have a guilfoy
3- You are totally guilfoy'd
4- I am going to guilfoy this table back together
5- Better watch out or he will guilfoy you.