The biggest fucking copy of smarties ever. An Illegal drug that deserves death if you are found eating this shit.
Jake: Yo, you got any M&M's?
Alex: Fuck no, M&M's are shit, now get out of here before the police find you eating M&M's.
by thatweirdkidatschool December 21, 2019
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When you stick your nut in your girls butt while going misonary and come out with chocolate nuts
Hey babe let me give you an M&M ;)
by DEADBASEBALL3888 January 26, 2021
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The old nickname from Eminem what was a combination of the first letters in his first and last name

Marshall Mathers
Person 1: Yo dude you know what was Eminems nickname before Eminem

Person 2: Yes it was M&M
by DxLtV May 27, 2021
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a ship name for two people who's first names begin with the letter m
i ship the fuk outta m&m
by Marmah February 25, 2016
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The art of filling your glass bowl with crystal and spilling half of it on the floor. And then brushing the spillage onto the floor while saying " man, fuck doug"
Melissa and Mandy are notorious for M & M dusting. Or

Whose been M& M dusting all over the living room.
by MandM_R_awesome21 June 30, 2021
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