Noun. The word is used to define a person whose actions appear erratic and seemingly random, and show complete disregard to prior arrangements, commitments or social norms. A kwach's behaviour befuddles everyone he comes across. The only predictable thing about a kwach, is that he will act like a kwach.
Guy 1: Hey man, are you going to that big concert tonight?
Kwach: No
Guy 1: But you asked me to book you a ticket, and you offered me a lift.
Kwach: Ag sorry, I've have to bath my dog, and then I'm going to ride my bike.
Kwach: No
Guy 1: But you asked me to book you a ticket, and you offered me a lift.
Kwach: Ag sorry, I've have to bath my dog, and then I'm going to ride my bike.
by Arry Redknapp October 14, 2013