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O Slang Terms

Slang Term Meaning Votes
O&OOver and out
O4UOnly for you
OAOver acting
OAOOver and out
OAROn a roll
OBOut-of-bounds
OBGObstetrics and gynecology
OBGYNObstetrics and gynecology
OBOOr best offer
OBPOn-base Percentage
obsObviously
OBTWOh, by the way
obvObviously
obviObviously
OCOf course
OCDObsessive compulsive disorder
OCONUSOutside of contiguous United States
odOverdose
OEMOriginal Equipment Manufacturer
OFOutfield
OFAOutfield assists
ofcOf course
Off the hookTotally awesome
Office rageAnger from malfunctioning office equipment
OFLOut for lunch
OGOriginal gangster
OGOriginal
OGPOnline grocery pickup
OGSOld guy syndrome
OGWOh gosh why
ohOverheard
Oh snapExpression of surprise
ohemgeeOh my gosh
OHKOOne-hit knockout
OhpSurprised
OIOpportunistic infection
OICOh, I see
OICNOh, I see now
OITNBOrange is the New Black
oiyHi
OJOrange juice
OKOne kiss
OK BoomerWhatever, old person
OK MillennialWhatever, young person
OLOld lady
OLPCOne Laptop Per Child
OLTLOne Life to Live
OMOld man
OMOh man
OmahaChange of plans
OMAMOf Monsters and Men
OMAMOf Mice and Men
OMCOh my Carlisle
OMDOh my da**!
OMDBOver my dead body
OMEOh my Edward
OMFGOh my freaking gosh
OMFGAZOh my freaking gosh and zounds
OMFGYASBOh my freaking gosh, you're a sexy beast
OMGOh my gosh
OMGDOh my gosh, duh
OMGFOh my godfather
OMGNOh my gosh noob
OMGROFLMAOOh my gosh, rolling on the floor laughing my a** off
OMGWTFBBQOh my gosh, what the f***, barbeque
OMGYSOh my gosh you suck
OMHOh my heavens!
OMJOh my Jonas
OMLOh my Lord
OMMOn my mind
OMMOn my momma
OMOHODOne minute, one hour, one day
OMWOn my way
On deckBatting second
On fleekPerfect
On itHandling that task
On pointPerfect
On the buttonHard hit ball
On the screwsHard hit
ONCOOr nearest cash offer
One and doneSingle elimination tournament
oneshotOne shot completion
Onion checkTo check the source of a news headline
onlOnline
ONNAOh no, not again
ONOOr nearest offer
onozOh no
ONYDOh no you didn't
OOOn order
OOOpenOffice
OOOver and out
OOAKOne of a kind
OOCOut of character
OOHOut of here
OOMOut of mana
OOMFOne of my followers
oomfGreat strain
OOOOut of office
OOPOut of print
OOPOut of pocket
OopsExclamation of a mistake
OOTOut of topic
OOTOut of town
OOTBOut of the box
OOTDOutfit of the day
OOTLOut of the loop
OOYFMOut of your freaking mind
OPOriginal poster
opOverpowered
opOperator
OPOutta pocket
OpaGreek exclamation
OpeExpression of surprise
OPIOverpaid idiot
OPKOvulation predictor kit
OPMOther people's money
oppOpponent
oprkOpponent ranking
OPSOn-base Plus Slugging Percentage
OROlympic record
Or nahOr no
orlyOh really
OROYOffensive Rookie of the Year
ORPOriginal Retail Price
OSLTOr something like that
OSTOriginal soundtrack
OTOff topic
OTOther topic
OTOvertime
OT3One true threesome
OTAOver the air
otayOkay
OTBOff the boat
OTCOver the counter
OTDOlder than dirt
OTEOver the edge
OTFLMAOOn the floor laughing my a** off
OTGOn the ground
OTGLOn the ground laughing
OTHOff the hook
OTKOne turn kill
OTLOut to lunch
OTLOne true love
OTOHOn the other hand
OTPOn the phone
OTPOne true pairing
OTSOff the subject
OTSOn the scene
OTSOpen two-seater
OTTOver the top
OTTHOn the third hand
OTTOMHOff the top of my head
OTWOff to work
OTWOn the way
Outkick your coverageTo have a romantic partner who is much more attractive than you
outtaOut of
Outta pocketDisreputable
Outward nineFirst nine holes of an 18-hole golf course
ovieOverlord
ownageCompletely owned
OwnedEmbarrassed
OwnerPlayer that controls the minion
OWTTEOr words to that effect