In Australia, the curbside garbage carts are called "wheelie bins." A garbage collector is driving along a Sydney street picking up the wheelie bins and emptying them into his rubbish truck. He goes to one house where the bin hasn't been left out. In the spirit of kindness and after having a quick look about for the bin, he gets out of his truck, goes to the front door and knocks. There's no answer. Being a conscientious bloke, he knocks again - much harder. Eventually, a Japanese man comes to the door. "Harro!" says the Japanese man. "G'day mate, where's ya' bin?" asks the collector. "I bin on toilet," explains the Japanese bloke, a bit perplexed. Realising the fellow had misunderstood him, the bin man smiles and tries again. "No mate, where's ya' dust bin?" "I dust been to toilet, I toll you!'' says the Japanese man, still perplexed. "Listen," says the garbage collector. "You're misunderstanding me. I mean, where's ya' wheelie bin?'" "OK, OK. " replies the Japanese man with a sheepish grin, and whispers in the collector's ear. "I wheelie bin having sex wiffa wife's sista!!!"