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1 definition by Heywood Jablowmee

 
1.
TBO
Titties By Obecity (TBO). Huge tits due to a girl being extremely overweight.
That girl has awesome TBOs. If she lost 40 lbs & kept even 1/2 of those tits, she'd be hot.
by Heywood Jablowmee October 13, 2005