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.
Report Abuse. 1  Growing up around Baltimore and DC in the 70's and 80's, a lot of sex shows were triple XXX rated on the adverstisments. 2  Xxx Emoticons. 3  xxx = kisses.  what does xxxxx mean at end of a 1  letter. it mean i love 2  ya. xxx means hugs and xoxo means hugs and kisses.