Top Definition
the airborne mutation of the terrible cranial disease yeulgeis
carriers generally deny any form of illness, and this denial causes the yeulgeis to mutate and spread.
-resembles black mold, clings to refrigerators, and household appliances, and anywhere where a host is in contact.
'LOOK! the black angus yeulgeis!!'
'oh no! cover your mouth, or the black angus yeulgeis might get cha, har har har'
by Dominic St. Pierre December 05, 2006

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