look up any word, like muddin:
 
1.
acronym for Non-Judicial Punishment (military)

Nonjudicial punishment permits commanders to administratively discipline troops without a court-martial. The receipt of nonjudicial punishment does not constitute a criminal conviction, but is placed on the service record.
Ah man, I almost got enjaypeed today
by CantNJPmeanymore January 07, 2011