Smd means “so much dishes”. When somebody text you to wash dishes and you don’t feel like spelling all 3 three words, just shorten it to 3 letters (smd)
Person 1: Clean all the dishes now!
Person 2: smd
Person 1: excuse me?
Person 2: so much dishes duh
Person 1: oh ha
Means 'Shaking my dick', When you want to express yourself to others about masturbation as a male.
Some people use this sample also to make conversations funny instead of serious.
Bunch of skaters from West babylon that think they can skate and can't and have horrible vid's on their site. These kids need to find a life. They deserve to get shot as all skaters are fagots and chances are 1.2% of the skater population will actually become endorsed in the long run. Fuck you guys..