1 definition by RandomGuyOnMars

Acronym for 'No Problem Don't Worry'; usually used after an apology of some sorts.
Dude 1: "Hey man, do you know where my beer went?"
Dude 2: "I'm sorry man, I knocked it over and threw it away."
Dude 1: "npdw man, it's no big deal."
by RandomGuyOnMars March 1, 2016
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