A friend or acquaintance whom you engage in the act of cuddling with. Common playground slang.

What does a cuddle buddy do?

According to urban dictionary, a cuddle buddy is a person you cuddle in a completely non-sexual way. No relationship, no problem. There should be a mutual agreement that the cuddles are strictly platonic and the two of you are seeking mutual affection, nothing else.

What does cuddling mean to guys?

"Cuddling, especially with someone you like, gives you a sense of closeness and relaxed intimacy that's difficult to find in other activities. If you feel comfortable with the other person, it kind of just let's you relax and not have to do much physically.