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
Wonder Woman in other media Wonder Woman's mutual feelings are implicated in the JLA episode "The Brave and the Bold", when Wonder Woman manages to stop a missile crashing into Gorilla City. When the weight of the missile head crushes her, Batman rushes to the site and attempts to clear the rubble while everyone else is too stunned by Wonder Woman's possible death to help. However, Wonder Woman is found unhurt, and when she sees Batman's gloves covered in dirt in his attempt to save her, she kisses him on the cheek. Batman and Wonder Woman share a kiss in the Justice League season finale