Top Definition
a really sad,silent crying smiley. the lines of the 'M' are tears and the dips are the eyes....see it?
1:my week sucked -_- i lost my keys
2:my dog died! M_M
by CharlieMay March 18, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.