Top Definition
An australian challenge where the person tries to eat as many dry weetbix as they can without spitting it out or drinking water in one minute.

The dry weetbix generally sucks all moisture from the mouth, making it difficult to generate enough moisture to swallow, causing the person doing the challenge to almost breathe out the weetbix flakes, which is very funny to watch!!!
Couple of guys bored one day...

Hey, want to do the weetbix challenge?

Yeah, sure, how many can you do?

I did five last week before my mouth dried up and I couldn't swallow another!
by Australiansarefunny! September 03, 2013

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