Definition

A playful misspelling of 'totally' used to emphasize how epic or awesome someone is at something. It's the kind of thing you'd type while giggling at how cool you or your friend are.

Example Usage

Dude, you just pulled off that trick—you're toal sick at skateboarding!

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=toal&defid=3256835)