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1.
A grammatical combination derived by nuclear physics and a lot of marijuana that combines "tight" and "nitro". (as seen in the formula tight + nitro + pie + chronic = titro. Thus resulting in a radical godess-like compliment.
Dude, when you slayed Onyxia that was fucking titro!

-or-

Damn Stephanie you fuckin pimp slapped Nicky right in her emo ass face. That was titro!
by Adizzlefoshizzle July 17, 2006