That dude climbing out the back window or sneaking out the back door to avoid getting his peen caught in Cookie's jar of tricks. 2.) A cheating husband who commits adultery. 3.) A gay man who...well prefers back door loving.
2005 poster for Academy Award winning film, Tsotsis
A street thug, gangster or urban criminal. The term is based on a watered down version of Sesotho word "tsotsa", which means to dress flashy. Back in the 1940s they wore zoot suit and the gun and knife ruled the nights.