so, when you dun goof, you screw up in a REALLY BAD way, like getting caught with your gf/bf under the stairwell, or blowing up a gas can thinking it was empty
by ConorMackGeGoryator November 24, 2018
by GargoyledMonkee December 25, 2013
Your belly dun-lap over your belt.
by Ms. Miss May 10, 2006
by tommy stewdog December 24, 2018
by iBurnCustommm February 09, 2011
used to describe an ugly person. The more emphasis that is placed on "dun", the uglier the person is.
by fruitloops17 February 15, 2011