weewak is some body who is a goose/ bloody idiot.. a joker, who has fun being an idiot.. and plays games with other people mostly at there expense. hence where the "wee" comes from something one might say whilst having fun on a ride/ playing a game.. and "wak" something that people like to do to people who are idiots. a weewak
Get the weewakmug. 
Flegm of the bum. Found mostly in the pits of young children’s jocks, elderly peoples bloomers and those who didn’t learn how to wipe properly. Also commonly found in the grundies of wondongarians and dirty bitches beef curtains.
Get the Bumbleflummug. 