Malapropism(n.) A grotesque or comical misuse of a word; a word so used.
Thesaurus Entries
Irish bull, abuse of terms, acrostic, alliteration, allusion, amphibologism, amphiboly, anacoluthon, anadiplosis, anagram, analogy, anaphora, anastrophe, antiphrasis, antithesis, antonomasia, apophasis, aporia, aposiopesis, apostrophe, barbarism, bull, calembour, catachresis, chiasmus, circumlocution, climax, conversion, corruption, ecphonesis, emphasis, equivocality, equivoque, exclamation, fluff, folk etymology, gemination, grammatical error, hypallage, hyperbaton, hyperbole, hypercorrection, hyperform, infelicity, inversion, irony, jeu de mots, litotes, logogram, logogriph, malaprop, marrowsky, meiosis, metagram, metaphor, metonymy, misconstruction, mispronunciation, missaying, misusage, onomatopoeia, oxymoron, palindrome, paregmenon, parenthesis, paronomasia, periphrasis, personification, play on words, pleonasm, preterition, prolepsis, pun, punning, regression, repetition, sarcasm, simile, similitude, solecism, spoonerism, syllepsis, symploce, synecdoche, ungrammaticism, wordplay, zeugma