Wandsworth common, also known as wandy, wandy com or the common. A place where private school kids go to drink a shit tonne of vodka and have sex. People also engage in activities such as: âdoing balloonsâ, âgiving headâ, âpassing outâ and âsmoking budâ. Schools most commonly seen there are Whitgift, streatham and clapham, Alleyns, Oratory, and occasionally Emmanuel