Either A single or taken male that gives the boyfriend experience to a single person for emotional and or physical suport. But at the same time kissing and anything beyond that would be off the table such as making out, oral sex,anal, and sex
In short a polyamorous relationship
Similar to having Two partners, one that gets kissed, loved, and whoes relationship is more than that of friends, and One that simply is loved and treated like a boyfriend of girlfriend but at the end of the day is just a friend that needs someone to not feel lonley almost like a human comfort animal
Bassically the demo boyfriend is dating someone who has put them in the frendzone from the start