IMglish and chat lingo glossary
O&O Over And Out
OAO Over And Out
OAR On A Roll
OBTW Oh By The Way
OF Old Fart
OFL Out For Lunch
OIC Oh I See
OICN Oh, I See Now
OL Old Lady
OLL Online Love
OM Old Man
OMDB Over My Dead Body
OMFG Oh My Freaking Gosh
OMG Oh My Goodness
OMOHOD One Minute, One Hour, One Day
OMW On My Way
ONNA Oh No, Not Again
ONYD Oh No You Didn't
OO On Order
OO Openoffice
OO Over And Out
OOC Out Of Character
OOTB Out Of The Box
OT Off Topic
OT Other Topic
OT Overtime
OTF Off The Floor
OTGL On The Ground Laughing
OTH Off The Hook
OTL Out To Lunch
OTOH On The Other Hand
OTP On The Phone
OTT Over The Top
OTTH On The Third Hand
OTTOMH Off The Top Of My Head
OTW Off To Work
OTW On The Way
(-: to the Emoticons :-)