1)To spell "baddest" incorrectly, which is ALSO not a word.

2)To misspell a non-existing word.
"Woah, Jimmy! You almost got perfect on that spelling test! Which word did you misspell?"

"Baddest, Greg. Baddest."
by Jonathan May 31, 2004
Get the badest mug.
literal translation: shit (opposite of da best)

commonly misread as "baddest" by the illiterate & intellectually incapable, when it is in fact, pronounced buh-dest
some awesome norcal person: west coast, best coast
some southern hick: west coast, badest coast
by daadorbdbs September 10, 2012
Get the badest mug.