1 definition by AltaiThaKing

Stands for "Thank You Based God" referring to rapper Lil B as he also goes by the nickname "Based God" and has a cult following fan base that can be heard yellin gthe phrase whenever something good happens.
Fox News: Osama Bin Laden has been killed today by US forces in Afghanistan.

Fan: TYBG!!!!!
by AltaiThaKing May 21, 2011
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