d:o 

a :o with a hat on
(also q:o hat backwards)

Hey I'm cool i have a hat d:o

d:o by Ritalin January 5, 2004

D.O 

A famous member of the group called EXO.
One of the main vocalists, and has adorable eyes.
He is currently dating the second youngest Kai.

His real name is Do Kyungsoo (Kyungsoo Do)

Kai: Kyungsoo hyung, saranghaeyo
D.O: I love you too, Kai

^_^

kekekekekekeke~~~~

D.O by Divinee August 21, 2013

D.O. 

Doctor of Osteopathic Medicine

Person A: "Are you doctor...an M.D.?"
Person B: "Yes, I'm a doctor, but I'm a D.O.!"

D.O. by ctak July 16, 2006

d&o 

This usually means Depression and Obsession like the song “Depression & Obsession” in the XXXTentacion album “17”

D&O is the worst combination

d&o by Youngdaggerdiiiiick January 4, 2018

D.O. 

To punch someone excessively hard, breaking the top of their jaw with one swift move.

Kyle: *Punch to face*

Devin: *Face broken*

Crowd: "yo he got D.O.'d"

D.O. by spiderdude9 May 7, 2011

D.O. 

1. go crazy, to fight

2. to fuck a sexy female without her being a girlfriend

3. beat to death without a weapon (man-slaughter)

1. that girl went D.O. in the classroom

2. later on I'm going to take her to my house D.O. her

3. he got into a fight with his homie and straight D.Oed him

D.O. by 7~4~4 June 24, 2009

D.O. 

1. verb, D.O. = "douche out" (circa 1967-8) - to become intoxicated to the point of passing out.. 2)noun, D.O. - a place or party where such intoxications occur 3) adjective - incapacitated lethargic, stuperous

Example: No, man. I'm just gonna sit 'round the house and D.O. with Valery or Xandy.

Hey man, you wanna get D.O.'d with us?

I'm too D.O.'d to drive.

I dunno, I Haven't gotten D.O.'d in almost a month. I'd better n.... Oh, what the hell.

This is gonna be a classic D.O.!

D.O. by pygmy71 November 17, 2004