"The entertainer wasn't very good. He tried to suck a fuck and failed miserably and his goose refused to even come near him."
"The goose looked quite content perched on top of the stick. Then we all realized the the performer wasn't using a live goose, it had been dead for hours. The man would never suck a fuck again."
2. when used literally, would most likely mean (though no one knows who would honestly do this) to use the tongue and lips to actually suck someone else's intercourse. to lick and/or suck the area where the penis is entering the vagina.
Donnie: Oh yeah? Well, you can go suck a fuck!
2. "Man, I thought a threesome would be hot, but all that crazy bitch did was suck our fuck!"