tun·ket \ˈtəŋkə̇t, usu -ə̇d.+V\noun (-s) Etymology: probably euphemism for tophet : hell — used interjectionally to express curiosity, puzzlement, or exasperation < what in tunket did he mean, upside-down eyes — Helen Eustis > < why in tunket didn't you tell me so — Della Lutes >