Top Definition
The charcoal-grey/brown dirt that accumulates under one's fingernails within approximately two hours of ingesting a class A drug.
Tripdirt would even manage to accumulate under the fingernails of a fully scrubbed-up neuro-surgeon (had he taken class A drugs).
I can't go for the interview looking like like this. If the interviewer sees my tripdirt, he'll know I've spent most of the night off my tits in a field.
by hacienda88 January 11, 2011

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.