What is Fucking Motherfucker?
1.
1.an expression used when you've just done something stupid, like left your keys in your car, and had to ring roadside assistance to come and break into your car to get them back out again, and everyone passing by laughs at you because you're an idiot who left his keys in the car.
2. extra emphasis on the word
"fucking motherfucker, i left my keys in the car."
See
