Ч77
НА КОЙ ЧЁРТ (ДЬЯВОЛ, ЛЕШИЙ, БЕС)НА ЧЁРТАНА (ДЛЯ) КАКОГО ЧЁРТА (ДЬЯВОЛА)НА (КАКОГО) ШУТАЗА КАКИМ ЧЁРТОМ (ДЬЙВОЛОМ, ЛЕШИМ, БЕСОМ) all
highly coll , often rudeНА КОЙ ПЁС (ЛЯД, ПРАХ)
substandPrepPthese forms onlyadvwhy, for what reason ( usu. used to express annoyance or irritation
occas. used to express indifference)
why (how etc) the hell (the devil, the heck, the dickens)
what the hell (the devil) (for)why in blazesthe devil (only) knows why (what for)why (how
etc) the hell (the heck, on earth, in the world).