1 definition by Errie

adj; 1.) used to describe something terrible or very bad.
2.)also, used to describe something most outrageous, and awsome... gnarley
See 'Bill and Ted's Excellent Adventure; or 'Bill and Ted's Bogus Journey.'

1.) "Dude, could you believe Mrs. MIller gave us a 'pop-quiz'?"
"I know, bra, that was most heinous."

2.) "Dude, did you hear that rip i just improved?"
"Yeah Dude, most heinous."
by Errie June 5, 2004
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