someone's buttocks after they have defecated but did not wipe themselves.
Yo, girl, you need to wipe yo' dookie buns an' shit, they be smellin' real nuggish! (See nuggish)
Pants that fit so tight that when they are removed there are fecal stains on them because, due to there tightness, they came into contact with the anal orifice and were thus stained with feces.
Yo, gurl!! You be lookin' fine as all hell in yo pooper pants! Know what I'm sayin'?
The moment when some dies and their legs twitch spasmodically (resembling a dance) while at the same time their anal sphincter relaxes and the feces (dookie) spill out.
Leroy slowly strangled his girlfriend Taneesha with all his strength, and when he saw her do the Dookie Dance he knew she was gone.