A friend who is a boy but deliberately not a boyfriend because you want no
emotional attachments or
jealousy issues if you feel like kissing other
people.
Synonym: (man) friend with benefits
Variation: friendman
Example
-Hey
Kate I saw you kissing some boy at a party. I though you had a boyfriend...
-He's not my boyfriend he is my friendboy, therefore we are free to share our love amongst other
people providing we don't do it in front of eachother and that we don't get off with each other's
friends.