O
O - Over (completion of communication)
O - Over (to you)
O:-) - Angel
O4U - Only for you
OAO - Over and out
OAS - On another subject
OAS - One-to-all scatter
OATUS - On a totally unrelated subject
OAURS - On an unrelated subject
OB - Obligatory
OB - Oh brother!
OB, OBAB - Oh baby!
OBE - Overcome by events
OBE - Overtaken by events
OBJ - Object
OBJOKE - Obligatory joke
OBO - Or best offer
OBTW - Oh, by the way
OC - Own character
OCD - Obsessive compulsive disorder
OD - Oh dear
OD - Over drive
OD - Overdose
ODTAA - One damn thing after another
OF - Old fart (someone who has been around for a while)
OF - On fire
OFIS - On floor with stitches
OFS - One finger salute
OH - Off hook
OHMIGOD - Oh my god
OI - Operator indisposed
OIC - Oh, I see
OICU812 - Oh, I see you ate one too
OJ - Obligatory joke
OJ - Only joking
OJT - On the job training
OK - All correct
OK - Okay, all correct
OK - Only kidding
OL - Old lady (significant other, wife, girlfriend)
OL - Out of luck
OLL - On-line love
OLL - Only laughing a little
OM - Object manager
OM - Oh my
OM - Old man (significant other, husband, boyfriend)
OM - Other man
OMB - On my back
OMDB - Over my dead body
OMG - Oh my God
OMG - Oh my goodness
OMG - Oh my gosh
OMIK - Open mouth, insert keyboard
OML - Oh my lord
OMT - One more time
ON4IT - On for it
ONAW - Oh no! another wedgie
ONID - Oh no, I didn't
ONNA - Oh no, not again!
ONNTA - Oh no, not this again
OO - Headlights on
OO - Over and out (end of communication)
OOAK - One of a kind
OOB - Out of band
OOC - Out of character
OOF - Out of facility
OOH - Out of here
OOI - Out of interest
OOL - Out of luck
OOMOOS - Out of mind, out of sight
OOO - Out of office
OOP - Out of print
OOSOOM - Out of sight, out of mind
OOT - Out of time
OOTB - Out of the blue
OOTB - Out of the box (brand new)
OOTC - Obligatory on topic comment
OOTD - One of these days
OOTO - Out of the office
OOTQ - Out of the question
OP - Operation
OP - Output
OPL - Obvious panty line
OPM - Other people's money
OPP - Other people's problems
OS - Operating system
OSIF - Oh shoot, I forgot!
OSIM - Oh shoot, it's monday
OST - On second thought
OSU - Officially sanctioned user
OSU - Oh, shut up
OT - Off topic
OT - Other topic
OT1H - On the one hand
OTA - Out the airlock
OTA - Over the air
OTB - Off to bed
OTB - On the ball
OTBE - Over taken by events
OTBE - Over taken by events (military)
OTBS - On the bright side
OTC - Over the counter
OTD - Out the door
OTE - Over the edge (beyond common sense or beyond good taste)
OTF - Off the floor
OTF - On the floor (laughing)
OTF - On the phone
OTFL - On the floor laughing
OTFM - Only the facts, ma'am
OTGH - On the gripping hand
OTH - Off the hook (something is really popular)
OTK - Over the knee
OTL - Out to lunch
OTMH - Off the top of my head
OTN - On the net
OTOA - One thing or another
OTOH - On the one hand
OTOH - On the other hand
OTOMH - Off the top of my head
OTOOH - On the other other hand
OTOT - On the other tentacle
OTP - On the phone
OTR - Off the rack (saying that something is outside the ordinary)
OTR - Old time radio
OTR - On the road
OTT - Over the top
OTTH - On the third hand
OTTOMH - Off the top of my head
OTTOMHAROOB - Off the top of my head and rolling out of bounds
OTW - Off the wall
OTW - Off to work
OTW - On the way (I've sent a file to you, it's 'On the way')
OTW - On the whole
OURS - Open users recommended solutions
OUSU - Oh, you shut up
OUTS - Output string
OV - Overflow
OVA - Over
OVR8D - Overrated
OW - Oh well
OW - Other woman
OWTTE - Or words to that effect
OX - Hug & kiss
OXOXO - Hugs & kisses
OXOXOXOXO - Hugs & kisses, more
OYO - On your own
OZ - Australia
OZZIE - Australian
P
P&C - Private and confidential
P/T - Part time
P2C2E - Process too complicated too explain
P2P - People to people
P2U4URAQTP - Peace to you for you are a cutie pie
P911 - My parents are in the room
P911 - Parent alert
P911 - Parent emergency
PABG - Pack a big gun
PABG - Packing a big gun
PAL - Parents are listening
PANS - Pretty awesome new stuff
PAW - Parents are watching
PB - Potty break
