flip flop("full blown bear did a flip-flop and is south bound and hammered down"-полицейский сделал разворот на юг и добавил газку. flip flop часто означает обратную дорогу. "catch you on the flip-flop"-"подберу не обратном пути")
bookmatching(Bookmatching is the practice of matching two (or more) wood or stone surfaces, so that two adjoining surfaces mirror each other, giving the impression of an opened book. КГА)
