IWF means either "I wanna f***" or "I won't f***".
International weightlifting federation
If you mean slang as in internet slang, then it means "Certified Old Fart".
YAF means in internet slang your a f*ck
SOS or soz as it is more commonly used is the internet slang for sorry
In internet slang it usually means "No strings attached."
disconnected
it means *am*
MOO is internet slang for "My Own Opinion"
IWF Promotions was created in 2001.
Love And Kisses
Not right now.
NTH stands for nothing in internet slang.