Casual boner *noun* : Boner you have when you feel happy and comfortable. Can be sexual, doesn't have to be. Usually happens when enjoying casual nudity. OP's note : Great for casually bonding with friends :3
A man bent over and balls hanging loose really turns me on!! Such a lovely way to start my Saturday, reminding my balls who owns them๐๐ป๐ปmistres.ssisu๐ป๐ป