Wiktionary
weet weet
n. 1 An Australian aborigine children's throwing game popular in some parts of Australia. 2 The toy or implement thrown in this game, consisting of a cigar-shaped stick fastened at one end to a flexible twig.
Wikipedia
Weet weet
Weet weet (also called wit-wit or throwing the play stick) is an Australian Aboriginal children's throwing game popular in some parts of Australia. Weet weet is also the traditional name of the object that is thrown, but it is also called a "kangaroo rat". A traditional weet weet it is difficult to recreate, so a club can be used and small children can play the game using a tennis ball placed in a stocking. The winner is the person to throw the weet weet the furthest or most accurately.