"If you ever get into an argument with a British person, you'll wish you'd have watched this video," writes Anglophenia. And we have to agree.
From 'minger' to 'tosser' - and other delightful phrases - watch Siobhan Thompson's guide to insulting people in the most British way possible.
And if you enjoy it, also check out her guide to British Phrases That Confuse Americans and her wonderful performance of 17 Different British Accents In A Row.