It's pretty common knowledge that XOXO means "hugs and kisses." As Dictionary.com defines it, the phrase is generally thought of as a "lighthearted way of expressing affection, sincerity, or deep friendship." The X represents a kiss, while the O represents a hug.
Things You Should Know. An X at the end of a text message represents a kiss. XOXO means hugs and kisses, while multiple Xs are a sign that someone really wants to smooch. While X can be used flirtatiously, X may simply be used in a warm, non-romantic way, too.
Use “xoxo." In the days before texting, people commonly used the letters “xo” to denote hugs (x) and kisses (o). You can use this simple, traditional, universally recognized message to send someone a kiss. Most people use “xoxo” at the end of messages, but you can use it as you like in text messages.
While “XOXO” can be flirty, it can also be friendly, or simply a habit of the person sending the text. It's good to set boundaries and be clear about your feelings, but you don't necessarily need to assume that anyone who sends an “XOXO” actually wants to kiss you.
If the whole thing all still just feels awkward and unclear, try etiquette expert William Hanson's rule: “If you'd kiss the person in real life, then put a digital kiss on the end of the text, tweet or email.” Yep, that rules out a hell of a lot of people, but it makes everything cut and dried (as long as you stick to ...
Xxx. Heading into unfamiliar territory here. Three kisses suggest that the other person might like you. If you put three and they respond with three you have entered into a little game. It means they are definitely feeling you out.
Despite the complicated origins of these symbols, these days it is widely accepted that XOXO means “hugs and kisses.” In the United Kingdom, use of XX (meaning “kisses”) as a sign-off is particularly popular, though the practice remains less common in North America, where XOXO is the more common formulation.
Mhm is a version of mm-hmm, an interjection variously used to express agreement or make an acknowledgment, among other senses. Mhm is especially common in the casual writing of the internet and text-messaging.
Make sure that they know you're teasing, being ironic, or sarcastic by adding in an emoji or an LOL—over text, it can be hard to tell whether or not someone's being serious. Tease them gently about something they're good at/confident about.