Wally Grout
... that the phrase "It's your Wally" refers to Queensland's test cricketer Wally Grout and typically means that it is the listener's turn to buy a round of drinks?
... that the phrase "It's your Wally" refers to <a href="./Queensland" id="mwCik" rel="mw:WikiLink" title="Queensland">Queensland</a>'s <a href="./Test_cricket" id="mwCio" rel="mw:WikiLink" title="Test cricket">test cricketer</a> <b id="mwCis"><a href="./Wally_Grout" id="mwCiw" rel="mw:WikiLink" title="Wally Grout">Wally Grout</a></b> and typically means that it is the listener's turn to buy a round of drinks?