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1.
When one decides to take his two longest fingers and swipe the region that connects from the bottom of the ass crack to the tip off the penis balls and sticking the two fingers up the nostrils while inhaling. For greater results conduct this process on a hot, humid, summer day.
Jester- "Yo my dirty dig smells more then yours"

Greg- "Bitch Please!"
by The Digster October 14, 2009
 
2.
Smelling the sweat from the male genetilia, using the pointing finger along with the middle finger to "dig" the dirty goods. Extremly effective on hot summer days.
Bob - Damn my nads smell bad.
Crieg - Of course it does, you gave yourself a dirty dig.
Bob - Oh, that explains a lot.
by Digster November 02, 2009