The term "xoxo" is a way to express affection. It is often used in written communication, such as texts and letters, to convey hugs and kisses. The "x" represents kisses, while the "o" represents hugs. It is a friendly and loving sign-off that implies warmth and care for the recipient.
The origin of "xoxo" dates back to the 19th century. The "X" was used to symbolize a kiss, as it looks like a mouth in the act of kissing, while the "O" represents a hug, resembling two arms encircling another person. This symbolism became popular in letters and notes as a shorthand way to express love and affection.