Introduction

That awkward moment when your date turns up wearing a T-shirt in subzero weather, just to display a ''Tough Mudder: Finisher'' t-shirt. Or when you find out your flatmate's password is cryptolegend007. Or when you overhear a loud conversation (with no one) at the checkout queue about how ''natural'' it is to eat an all raw meat diet. Or when some guy boasts about the massive emissions from their supercar.

Small Dick Energy has nothing to do with body size, and everything to do with having an ego too big to fit into a standard sized parking bay.

Stay alert and spot the signs of SDE with this helpful and hilarious guide.