short for oh my... ya know. Usu. abbreviated 'omd'. Not unlike "oh my god," but generally more emphatic and reverent because, unlike god, one's d is something that one might actually care about; not to be confused with "oh my days."
by ShakaraTheLexicographer August 19, 2010
Get the oh my dmug. pronounced "dee-ing my eff", as one would pronounce the letters "d" and "f". used to shorten the phrase "dicking my f-ck", which means to screw someone over.
scene is as such: you're trying to turn left in the left-turn only lane, and the guy in front of you is trying to get over to keep going straight, but traffic won't allow him in, so you're stuck behind him with no way of doing anything because the idiot isn't moving at all.
"ahhhh quit d-in' my f!"
alternately, try "don't d my f, south carolina!" (reffering to license plate)
"ahhhh quit d-in' my f!"
alternately, try "don't d my f, south carolina!" (reffering to license plate)
by matt gauck January 20, 2007
Get the d-in' my fmug. a gay crackhead that goes both ways and has a tongue ring! Usually goes for women that will pay and cater to his crackheaded ways!
I had a good time with that Dirty D i found on Wilson Way. Even though his stanky ass was broke as hell!
by Darren Hickerson December 15, 2008
Get the Dirty Dmug. 
Scott's English Prof: "Scott, can you define the term metaphor?"
Scott: "No, but you can S my D and find out yourself!"
Scott: "No, but you can S my D and find out yourself!"
by Shawn/Scott from Alberta February 20, 2007
Get the S my Dmug. word used to call david johnivin, and or BIG D UNIT it is linked back to the early days of 8th grade in to 7th!
by David (BIG D) April 21, 2005
Get the big dmug. by Rob spank December 28, 2005
Get the D-Bagmug.