OTF 

Sub-Forum of the Counter-strike Forums.
Stands For Off Topic Forum
Goatse is common, as is Flamage

Fubar For Mod!

OTF by Necco September 13, 2003

OTF 

On the forum(s)

My friend Paul messaged me OTF.
My friend Paul messaged me on the forum.

OTF by wolfandbunny May 23, 2013

OTF 

Acronym for Only The Finest

My sushi is served on DD's. #OTF

OTF by OTF Everything October 16, 2012

OTF 

On The Fence, as in unable to make a decision at the moment.

you: yo holmes, wanna go to that show on friday?

me: i dunno mang, i'm otf

OTF by poopenschaft June 11, 2011

OTF 

Cesspool of ignorance. Also refuge for bitter old people who no longer have use for the rest of the forum. Idiots + Bitter Old Men = FUN!

Let's go to the OTF and tell people about air!
...or
Look at the idiots telling me about air.... why those bastards, I oughta...

OTF by Afro Joe June 23, 2003

otf 

<oh-tee-eff>
obvious titty flash

Jake: Dude, Cherries flashes her rack in every snap she sends me, look..
Brian: Hehe, that's one otf right there bro.

otf by criminalizerrrr August 30, 2013

OTF 

Section of the Counter-Strike Forums were hate is rampent.

Tox si a fgt.

OTF by lynx August 9, 2003