Top Definition
1.)Something so diesel, too much exposure can cause extream migraine head achs that will eventually lead to death.

2.)One of the only times that describing something with "as fuck" is acceptable.
a.)"Did you hear the new Psyopus song? Its diesel as fuck!"

b.)"Jesus Christ that soda was diesel as fuck"

c.)"Mike Patton is diesel as fuck."
by Bob Doles next door neighbor July 16, 2006
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