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."
#simba #strikeout #fail #loser #sleeping alone
by grizzle123 May 02, 2010
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