When someone's belly "dun-lap" over his belt...used on extremely disgusting overweight people who don't have the sense to wear clothes that fit.
DAMN that is one bad case of Dunlap Disease on that mofo fatass
by K November 16, 2004
Its what happens when you get really fat
My stomach dun lapped over my belt
by SammyBoy July 11, 2003
This defenitions refers to skates, this is when the skate is so big you cant see the front wheel because the boot dunlapped it.
"damn look at the dunlap on those k2s"
by t-mac October 20, 2003