O Slang Terms

Slang Term Meaning Votes
O&OOver and out
O4UOnly for you
OAOOver and out
OAROn a roll
ObbyObstacle course
OBGObstetrics and gynecology
OBGYNObstetrics and gynecology
OBOOr best offer
OBPOn-base Percentage
OBTWOh, by the way
OCOf course
OCOriginal character
OCOriginal content
OCDObsessive compulsive disorder
OCONUSOutside of contiguous United States
OEMOriginal Equipment Manufacturer
OFAOutfield assists
ofcOf course
Off the hookTotally awesome
Office rageAnger from malfunctioning office equipment
OFLOut for lunch
OGOriginal gangster
OGOlympic grandma
OGPOnline grocery pickup
OGSOld guy syndrome
OGWOh gosh why
Oh snapExpression of surprise
ohemgeeOh my gosh
OHKOOne-hit knockout
OIOpportunistic infection
OICOh, I see
OICNOh, I see now
OINKOne income, no kids
OINKWADOne income, no kids, with a dog
OITNBOrange is the New Black
OJOrange juice
OKOne kiss
OKOll korrect
OK BoomerWhatever, old person
OK MillennialWhatever, young person
OLOld lady
OldilocksQuestionable hairstyle on an older person
OLPCOne Laptop Per Child
OLTLOne Life to Live
Olympic grandmaAn old female Olympian
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
OmegaOmega male
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!
OmicronCOVID-19 Omicron variant
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 firePerforming very well
On fleekPerfect
On GodI swear to God
On itHandling that task
On pointPerfect
On the buttonHard hit ball
On the screwsHard hit
On X Games modeDoing something extreme very well
ONBOutward nose breath
onbOn, bro
ONCOOr nearest cash offer
One and doneSingle elimination tournament
OneshotBeat in one attempt
Onion checkTo check the source of a news headline
Only in OhioClaiming Ohio is strange
OnlyPlansConsistently planning dates but never following through
ONNAOh no, not again
ONOOr nearest offer
onozOh no
ONYDOh no you didn't
OOOn order
OOOver and out
OOAKOne of a kind
OOCOut of character
OOCOut of context
OofExclamation of pain or embarrassment
OOHOut of here
OOMOut of mana
OOMFOne of my followers
oomfGreat strain
OomfieA Twitter follower
OOOOut of office
OOPOut of print
OOPOut of pocket
OOPOut of production
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
OPOutta pocket
OpaGreek exclamation
OpeExpression of surprise
OPIOverpaid idiot
OPKOvulation predictor kit
OPMOther people's money
oppoOpposite field
Oppo boppoOpposite field home run
oprkOpponent ranking
OPSOn-base Plus Slugging Percentage
OROlympic record
Or nahOr no
OrbitingFollowing someone on social media without direct interaction
OREOld relationship energy
Oregon trail'rA person born in the late 1970s or early 1980s
orlyOh really
OROYOffensive Rookie of the Year
ORPOriginal Retail Price
Oscar baitA movie that features elements Oscar voters love
OSLTOr something like that
OSTOriginal soundtrack
OTOff topic
OTOther topic
OT3One true threesome
OTAOver the air
OTBOff the board
OTDOlder than dirt
OTDOf the day
OTDOn this day
OTDOne-time draft
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
OTPOne-time password
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
OutwordleTo outsmart a Wordle player
Own goalA counterproductive decision
ownageCompletely owned
OwnerPlayer that controls the minion
OWTTEOr words to that effect