Merriam-Webster Logo

Browse Alphabetically: O

Browse results for 'O' (10 of 372)

o rly? (abbreviation) : oh really?

"o rly? ya rly!"

Submitted by: Vaerin from Virginia on Oct. 20, 2005 17:01

o'dark-thirty (adjective) : a word describing the time of day between midnight and five o'clock in the morning

I would need to get up at o'dark-thirty to get from Baltimore to Charlotte by nine o'clock in the morning.

Submitted by: N-Rob from Maryland on May. 16, 2007 14:50

O.G. (abbreviation) : An abbreiviation for Original Gangster, often used in gangster rap and when describing a person.

Dawg, dat guy's an OG. —ben kraft, my hood, 3/12/08

Submitted by: Anonymous on Mar. 12, 2008 22:53

O.M.G. (abbreviation) : oh my god —used in electronic text messaging

Submitted by: Norma from California on Jan. 28, 2009 22:02

O.P.P. (abbreviation) : Other peoples property.

She said he dumped her, so how could I be messing with O.P.P. if I dated him? Duh?

Submitted by: J. Chris DaMona from California on Aug. 08, 2007 14:59

OA (abbreviation) : over acting

Stop laughing; you're OA.

Submitted by: kahren from Philippines on Jul. 20, 2007 16:55

oakmiddlerocks (interjection) : number one school

That is so oakmiddlerocks. —none, none, none

Submitted by: samparkowea from California on Oct. 18, 2005 23:50

oao (abbreviation) : over and out

I ended my chat with oao.

Submitted by: Shree Harlalka from Massachusetts on Aug. 28, 2008 11:12


(abbreviation) : over break : exceeding the allowable time for meal breaks

I always eat as fast as I could beacause I'm afraid that I might be OB.

Submitted by: RHONDA MAE V. ABOC from Philippines on May. 15, 2008 12:09

(abbreviation) : abbreviation for overbreak

Submitted by: bebz from Philippines on Jul. 25, 2007 15:06

Obamacare (noun) : health care proposed by President Barack Obama

Submitted by: Dena K. from Kansas on Oct. 22, 2010 06:38