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2. F
1. the sixth letter of the alphabet, pronounced "eff"
2. A very very very very very bad grade, which usually prompts disciplinary actions by parents of young children.
3. the last letter in the slang acronym WTF, which is commonly used often by n00bs, or used occasionally by l33ts to indicate surprise, shock, or rejection towards something.
1. F is a letter, use it.

2. I got an F on my Physics test, looks like father is going to tie me to that tree in the front yard and flog me until i'm sunburn red.

3. WTF????!!!!!11111
by M-Bomb Sep 27, 2004 add a video
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1. f
1. Short for "fuck."
2. A shitty grade.
1. F you.
2. OH NOS!!!! TEH F!!!!1

*assimilated*
by dj gs68 Jul 24, 2003 add a video
3. F
fuck. May or may not be capitalized.
What the F is that?
F me.
F this shit.
by ruserious Mar 15, 2005 add a video
4. f
Commonly used at the beginning of words to imply that you are extra (whatever the word is).
fatass: dude im so fungry
nice friend: wtf?
fatass: fucking hungry!
nice friend: didnt you just eat a four course meal only minutes ago?
fatass: yea but im still fungry. take me to golden corral!
nice friend: if you keep eating this much youre probably gonna fie.
fatass: wtf?
nice friend: FUCKING DIE jackass

other commonly used f words are, fored, firsty, and fired.
f fucking eff ef fuck
by StevenC. Sep 29, 2007 add a video
5. F
A test grade which will shortly be followed by the bullshit of your parents.
Johnny got an F on his math test.
6. f
the letter F
it's an F.
Deal with it.
7. F
a felony
"If you caught a felony, you caught a F."
-Big L, Ebonics
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