Top definition
F- funny
B- but
I- i
D- didnt
L- laugh
0- out
L- loud
it a word that you use when you think somthing is funny, but you dont laugh out loud.
a texting conversation...

Tom- why does helen keller only mastrubatm with one hand?

Bill- idk why?

Tom- So she can moan with the other!

Bill- Fbidlol
by sam wise gamchee May 11, 2009
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