Molly and Mary-Jane, MDMA and Marijuana. The mixture of these two drugs can take your party experience to a whole new level. These ladies are the life of any party.
"What's with Christina and Ricky..They seem so happy and awesome tonight!" "Ya man! They had M & M's before the party!"
by CallAlice September 19, 2013

More a sound than a word.
The oposite of "mhm".
It's negative, like "no", "hell no" or whatever similar.
The oposite of "mhm".
It's negative, like "no", "hell no" or whatever similar.
by Elliken April 20, 2010

looks like a rockerrrr
by rockerrrdude March 6, 2009

M&M = McDonald's and Motel. Good cheap date is a trip to McDonalds, followed by a trip to the cheapest motel around.
by cheap motel November 5, 2008

Yummy circular chocolate sweets with different colors. Can be considered one of humans kind greatest inventions (with ninjas)
by LuluXD March 6, 2018

Abbreviation for marine mattress. Slang term for a woman or guy that only gives up the booty to marines.
“Hey, that new Air Force chick that showed up at the office yesterday is hot.”
“You don’t have a chance dude. She was in my class at the Defense Language Institute, she’s a freaking M & M and a half.”
“You don’t have a chance dude. She was in my class at the Defense Language Institute, she’s a freaking M & M and a half.”
by Trav October 21, 2004

by awex January 5, 2004
