Every PE teacher's favourite way to find out which kids had reflexes and which ones absolutely didn't.
Fun fact: Some historians trace its origins to Africa over 200 years ago, where it was played with rocks.
Manages to be proper hot and properly sour at the same time, which shouldn't work but absolutely does.
Fun fact: Half its ingredients — lemongrass, galangal, lime leaves — are aromatics you leave in the bowl uneaten.