F-

Somebody who is used as a boyfriend/girlfriend but without the benefits, therefore he is being used.

Theo has an F-.

F-

Basically, a hypothetical school grade that's worse than an F

Teacher: here are your test results
Student: whaaaaaaaat???? F-?????
Teacher: you got 0%, you'll have to do this course a googolduplex more times

Bitten da F***

That man F***s

your baby bitten da f*** , bitch

F(IV)E

Literally the way to write a 4 in between a 5

"How do you write a four in between a five?"
"F(IV)E.)

Billy F.

A gay ginger midget that no one loves not even his parents

you:"oh god Billy F. is coming"
friend:" QUICK HIDE! HE MIGHT WANT TO BUM YOU!"

F#

An extremely short version of the words "Fuck You" with the added bonus of being pictures as shouted extremely loud and fast as if you were in someones face. No exclamation is necessary but may be added for "extra emphasization".

What the F# do I look like to you? A clown, do I look like a clown to you? F# F# me? no F#!

F-drink DC

A quicker way to say Diet Coke Fountain Drink, can be used in conjuction with other soft drinks as well.

Hey, wanna go get an F-drink DC?