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1.
OMH
acronym for "oh my hell". Used on the interent.
I just watched an MTV Osbournes Marathon - 10 episodes in a row OMH!
by Ricky January 30, 2004
 
2.
OMH
Oh
My
Heffalump

OMH
OMH Alice i can't believe you did that!!!
by freakyfreak314 April 15, 2010
 
3.
omh
"Oh My Head"

The person saying that usually means to express his feelings towards the level of stupidity of another person after a particular action, "omh" comes when no words can define the stupidity and the 1st person is left speechless, with "Oh my head..." being the only thing he can say...
Dude 1 Shakes the bottle coke and it bursts open, spilling all over the walls and the ceiling before he finally realizes that he can point the bursting jet of foam to the window, but by the time he does the jet already dies out.

Dude 2 - "Oh my head..."
by ChronoDog November 05, 2004
 
4.
OMH
1.) Oh my Hell
2.) Oh my Heck for those more sensitive..
3.) Oh my Heaven for those super religious
4.) Used to show the same expression of emotion as OMG..
5.) For those tired of OMG
Girl 1: "I'm pregnant.!!"
Girl 2: "OMH.. how did that happen???"
Girl 1: ".....Sex you idiot. -.-"

omg gmo
by TheOtherExGirl April 27, 2011
 
5.
OMH
"Over My Head": the acronym used online to infer an inside joke was not clearly received by a person
Person 1: "ha ha, yea bro, she was a total FLAMINGO at that party"
Person 2: "Sorry dude, that's OMH, care to explain?"
by Crimson Coroner November 07, 2011
 
6.
OMH
Over My Head
That Seinfeld reference you made was OMH. I had to google it...NOW I get it.
by SplendorInTheCrass March 26, 2011
 
7.
Old Mill High School...best damn place to be, with all the rednecks, freaks, gays and blacks.. WOOHOO
IDK go check it out yurself
by UhLeashUh April 15, 2005