'Hugs and kisses is a term for a sequence of the letters X and O, e.g. XOXO, typically to express affection or good friendship at the end of a written letter, email or SMS text message, in which, according to most sources, o means hugs and x means kisses.However, some believe that the symbols x and o are reversed, with x meaning hugs and o meaning kisses, although this interpretation is seemingly less popular.