1.(slang)An Emu. A large flightless bird, native to Australia. Often hunted and used by Australian Aboriginals as a source of food, like a chicken.
2.(slang)A stupid person, so called after the emu which is a very stupid animal.
1. Truck driver: "Shit! I just ran over a bloody boongchook"
2. "Your as dopey as a boongchook"
You are a bongchongboy when you're getting Asian food takeout and you go into the restaurant not realizing you were so high on ketamine, and you end up somehow paying for, receiving, and eating your food before you even realize where you have been the whole time; munching out hard.
The other night I was so k rocked I went to China Star and must have almost eaten the whole menu, I didn't bring my wallet so I had to do dishes until i paid off the $32 and man did I feel like a bongchongboy!