According to Wikipedia a sidekick is a close companion who is generally regarded as subordinate to the one he accompanies. Some well-known fictional sidekicks are Don Quixote's Sancho Panza, Sherlock Holmes' Doctor Watson, The Lone Ranger's Tonto, The Green Hornet's Kato, Batman's Robin, and Gabbar Singh's Samba.
In South East London it is a shit drink for under-age drinkers and chavs.
Give me a Lambrini any day!!!