knitting term, stand for Finished Object. Often used on Knitting Blogs.
"lets go to SnB to show off our FOs!"
by Othlon December 17, 2006
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1. Gangsta shortening of "for"

2. The number following tree

3. Short for mofo, which in turn is short for motherfucker.
1. "Fo shizzle mah nizzle" is a phrase that has become WAY overused.

2. How come you paid tree fitty, I hada pay fo dollas.

3. He is a badass fo.
by someone18 September 11, 2006
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dude FO im sick of you..
by Samm1 November 8, 2009
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fucker
comes from cutting mofo in half
that fo just ran over my dog. fo.
by alphonso October 14, 2004
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a misspelling of "for" when someone is typing a mile a minute, or in capitalised form, the hypothetical compound of oxygen fluoride
Hey! That oxygen flouride is fo the birds!
by eszett March 9, 2003
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