douche

1a :  a jet (see ¹jet 3a(1)) or current of liquid (such as a cleansing solution) directed against or into a bodily part or cavity (such as the vagina)b :  an act of cleansing with a douche

2 :  a device for giving douches

3 British :  an abrupt often chastening shock to the nerves, emotions, or awareness the icy douche (what he said about my work) — John Fowles

4 chiefly US slang :  an obnoxious or offensive person :  douchebag In the show Edward is portrayed as a thin-skinned, self-serving faker, or, as one of the show's principals Stan so pithily repeats throughout the program, “a liar,” “a fake,” and “a douche.” — David Daegling et al.