What a colossal douche!

colossal = supersize, big; douche = try meaning is a device to produce a stream of liquid into a body cavity, e。g。 vaginal doucheBut, in this case, saying someone is a colossal douche = what a big pathetic, stupid, irritating lowlife。 It is an insulting statement。 Another example: He thinks he is always right, but he is a douche bag。