Eggcorn Definition
Eggcorns are words or phrases that are used by mistake, usually because they are homophones or sound similar to the original words. People often write 'wet your appetite', while the original expression is 'whet your appetite', but the two words sound the same.
See Also:
Irony; Hyperbole; Sarcasm; Slang; Jargon; Figure of Speech; Understatement; Litotes; Rhetorical Question; Cliche; Allegory