"cumberfuck" is when a female or male fucks themself with a cucumber. just a cucumber nothing else. maybe even during intercourse.
"yo, this girl was talking to me act cumberfucking, we was meeting up to fuck and she whipped out a cucumber and stuck it up my ass, ngl if felt good!"
When something is fucked beyond comprehension. Can also be used to describe an unidentified being or object which bares no resemblance to anything known to humanity.
Being a versatile word, it can additionally be used to curse.
"It's a frikken clubberfuck!"
"In the distance, right over there. The hell is that clubberfuck?!"
"Clubberfuck that duck!"
"I lumberfucked the hell out of my girl."
"Were you wearing a flannel shirt?"
"No."
"Doesn't count, you just shoved a bunch of sticks in you girls pussy for no reason freak."