The Saltines exhaust all saliva in the mouth, making the crackers very difficult to swallow.
Here are ten particularly stomach-turning ones.
At some point during the night, she lost her blouse, so she was only wearing a bra for the more scandalous dancing! Warning: this is not for the squeamish.
And if you thought you were out of the water, think again: next comes a bottle of Red Bull and a half gallon of milk.
It hit the net in 2001, and has been circulating ever since.
The official rules are as follows: swallow one entire teaspoon of cinnamon without drinking anything, in under 60 seconds.
From YouTube to Vine, the web has been saturated with videos of people filming themselves as they undertake ridiculous food challenges.