Tongue-in-cheek phrase appears in 1828 in "The Fair Maid of Perth" by Sir Walter Scott: It's not clear how Scott intended readers to understand the phrase. The more modern ironic sense appears in the 1842 poem "The Ingoldsby Legends" by the English clergyman Richard Barham, in which a Frenchman inspects a watch and cries: The ironic usage originates with the idea of suppressed mirth—biting one's tongue to prevent an outburst of laughter. Tongue-in-cheek The idiom tongue-in-cheek refers to a humorous or sarcastic statement expressed in a mock serious manner. The phrase originally expressed contempt, but by 1842 had acquired its modern
Cheek teeth across the globe. Cheek teeth Cheek teeth or post-canines comprise the molar and premolar teeth in mammals. Cheek teeth are multicuspidate (having many folds or tubercles). Mammals have multicuspidate molars (three in placentals, four in marsupials, in each jaw quadrant) and premolars situated between canines and molars whose shape and number varies considerably among particular groups. Cheek teeth are sometimes separated from the incisors by a gap called a diastema. Cheek teeth in reptiles are much simpler as compared to mammals. Apart from helping grind the food to properly reduce the size of substrates for stomach enzymes, their minor role