Kool-aid Ask Urban Dictionary about Kool-aid Share definition Flag What fills a giant jar that crashes through the wall and yells: OHH YEAH!!!!!!!!!!!!!!!!!!!!! Kool-Aid: *crash* OH YEAH!!!! Kool-aid by ANGRYPOLAK November 7, 2010 0 0 Kool-aid Merch Get the Kool-aid mug. Buy Now — $32.95 See more merch