forum acronyms and abbreviations > O

O/P: Out of print 
OAO: Over And Out 
OAOO: One And Only One 
OASrN: On a site right now 
OATUS: On A Totally Unrelated Subject 
OAUS: On A Unrelated Subject 
OBEX: Object Exchange 
OBKB: Okay, bye bye 
OBO: or best offer 
OBTWIAU: Oh by the way I adore you 
OCIA: Of Course I Am 
OD: Oh Dear 
ODL: Oh Dear Lord 
OFS: One Finger Salute 
OGKT: Only God Knows That 
OGTDA: One good turn deserves another 
OHDH: Old Habits Die Hard 
OHOTKOHOTC: One Hand On The Keys, One Hand On The Crotch 
OHW: On Her Way 
OHW: On His Way 
OIC: Oh, I see 
OICU812: Oh, I See You Ate One Too 
OICURMT: Oh, I see you are empty 
OIS: Oh I see 
OJ: Only Joking 
OJ: Orange Juice 
OJT: On the Job Training 
OKBB: OKay, Bye Bye 
OLF: One Line Followup 
OLL: OnLine Love 
oll: Only laughing a little 
OMA: Only Mildly Amusing 
OMAC: One Man Army Corps 
OMB: On My Butt 
OMBLMAF: On My Butt Laughing My Arse Off 
OMFUG: Other Music for Urban Gourmets 
OMG: Oh My God 
OMHO: Only my humble opinion 
OMIK: Open mouth insert keyboard 
OMKC: On My Knees Crying