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1.
HMD
Hold My Dick. Used when the environment is not ideal for this type of language.
Guy1: wah wah wah nag nag nag

guy 2: BRO! HMD!
by wbernard731 March 02, 2010
 
2.
HMD
Hold My Dick. Best used when you did something so amazing like running for 67 yards and breaking 8 tackles to score a touchdown.
Guy 1:OH DUDE DID YOU SEE THAT RUN MADE BY MARSHAWN LYNCH?

Guy 2: YEA DUDE WHEN HE SCORED HE WAS ALL LIKE HMD!
by CurryMan69 September 28, 2011
 
3.
Hmd
Hold My Dick
"He goes for the Hail Mary.....he throws.....the catch! OH SHIT TOUCHDOWN!! HMD!!!!!!!"
by Octizzle January 09, 2012
 
4.
HMD
acronym for Hold My Dick. Used to express great achievement(s).
Beating someone in Guitar Hero by one point. HMD

Comparing Girlfriend's bra sizes.

Dirk Nowitzki v LBJ. Dirk to LBJ-"HMD"
by DiLo n Chris June 12, 2011
 
5.
HMD
Short for "Happy Mother's Day".
Do you have kids?
Yes, I do.
Well HMD!
by pinkychi May 29, 2010
 
6.
HMD
Short for Hammond Indiana, a city in Northwest Indiana just outside Chicago.
Where you from?
HMD.
Bet.
by Todd Everboat September 28, 2006
 
7.
HMD
"How's My Driving"

Opened post for criticism about how a character is played in a roleplay community.
I've heard some people think my Naruto's not IC so I've opened a HMD post.
by Sophie Black October 26, 2008