1 definition by grizzle123

Top Definition
Stands for Sleeping In My Bed Alone (tonight).
After a dude strikes out with a girl at a party, his friend goes up to him and wipes his plain finger on his fore head and says "Simbaaaaaaaaaaaaaaaaaaa."
by grizzle123 May 02, 2010

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×