Pronounced toe-back. To be extremely ugly, either naturally (upon birth), unnaturally (some crazy deforming accident) or through surgical modification (plastic surgery which made your face worse instead of helping).

ugly horrible nasty deformed yuck dog
Dude 1: Damn, that girl is ugly!

Dude 2: She ain't that bad.

Dude 1: Are you kidding me? She's Toback!
by Bithevoom April 23, 2008
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The act of grinding ones genitals against an unwilling participant until orgasm.
Stacy wouldn't give it up on our date, so I tobacked her in the back seat of my car.

Mike got arrested for tobacking Jane at the park.
by metalgearkirby October 31, 2017
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