Top Definition
The acronym for "Short Term Marijuana Memory Loss." When someone, generally a "stoner" forgets what they're talking about in the middle of a conversation.
"We were watching this TV show and ... ah shit!, 'STMML,' I forgot the point I was trying to make."
by ralph July 22, 2004
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.