Top Definition
Pronunciation: 'blak 'd&(ng)
Function: noun

1: What one gets after a heavy night of drinking Guinness or Guinness Extra Stout. Normally not a pleasant experience and relatively foul. Play on the disease black lung. A form of beer shits.
Dood, the Raiders game was so bad last night I had to bathe in Guinness to enjoy it... and this morning I had the worst case of black dung.
by washins September 12, 2006
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