An Oxymoron is two words, or a compound word, with contradictory definitions. The most commonly-used example of an oxymoron is 'jumbo shrimp,' as a shrimp is small by definition and therefore cannot be jumbo.
someone who goes under the knife in an attempt to look better/younger/faster than before, and yet emerges strangely ... not.
"Poor Melanie Griffith, she's such a botoxymoron. Bitch needs to stop with the injections before her face swells beyond all recognition and the corners of her lips meet at the back of her head."