Right, run it under cold water and quick. Then, put a frozen bag of something on it (whatever you have in your freezer)
Then smear it with Vaseline or cream.
Then get a cloth of some sort (something clean to dress it with), wrap it over the burn, and then get cling film and wrap it round the cloth (so around your arm or wherever the burn is)
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UndergroundKing is ma homie man.. I wanna smoke with him haha