Canker sore. In some cases, the exact cause of a canker sore is unknown, but trauma or injury to the mouth or oral soft tissues may be the culprit. Other possible causes are food sensitivities, spicy, salty or acidic foods, vitamin B deficiency, hormonal shifts and stress. Cold sore.
What does xoxo mean? Hugs and kisses or xoxo is a term used for expressing affection or good friendship at the end of a written letter, email or SMS text message.
Oxymoron, ehich is a greek word, means a way of speaking about something which is exactly the opposite, or it is used to describe an absurd and contradictory situation with a funny and ridiculous aspect. Eg. If you call a small doggy Tiger, that's an oxymoron. have never heard this used as an insult before, saying that a person is an oxymoron. I have included a link for the direct definition and a link for a list of popular oxymorons. Source(s): http://en.wikipedia.org/wiki/Oxymoron http://www.oxymoronlist.com/.