Although sometimes thought to have a sexual connotation, SMD can also be used as "Saw/See MeDominate". Mostly this version of the acronym is used in competitive settings such as a race, or a game.
Abbreviation for "Sell Me Drugs". Used by many when wanting to
a) disguisethe true meaning of the phrase "SMD"
b) purchase drugs
c) purchase drugs from someone while having a little "extra fun"
An acronym for "Sure My Dear".
This acronym was invented by a famous YouTuber based in the U.A.E called Zubair Sarookh.
This acronym originated in Zubair's popular series 'PARENT TEACHER MEETING' in part 1, where Zubair's teacher is talking to Zubair's father about Zubair's performance in school. Zubair's teacher tells his father that Zubair told the teacher "S M D" when the teacher asked him to do his homework and come to school. Zubair defended himself that he actually meant "Sure My Dear", and not what you think it was. To this day, it's a popular acronym in some of Zubair Sarookh's videos.
Zubair's Teacher (talking to Zubair's father): "Few days back I tell Zubair, 'Do your homework and come.' He said 'S M D'. I say 'What is S M D?' He say SMD meaning 'Sure My Dear'."
What this stands for depends on whether or not you're 13 years old, or not.
If you're a hobbyist (like myself) who likes working with printed circuit boards (PCBs), SMD stands for Surface Mount Device, which are devices that are soldered onto the board from only one side, in contrast to THT (Through Hole Technology) devices.
And if you're a prepubescent 13 year old, I suppose SMD stands for "suck my dick", just like everyone else who has defined this term thus far on here...