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(n) when your nuts are briefly showing, like cleavage for boobs
He was going commando at dinner so there was some major nuttage.
by trhunner June 11, 2009
it's like cleavage, but with your sack. Good/bad nuttage may determine whether or not one will have a good night in bed.
"He had bad nuttage, so I decided not to go down on him".
by Panda Rectum June 11, 2009