the love that two brothers share for one another, wether your embarrasing eachother, fighting, or using it as an excuse to get away with something you did
Brother 1: Dude, why the hell did you that girl from the bar i have AIDS? that shits not true!!!
Brother 2: I know, but it was funny.
Brother 1: Im gonna kick your ass!!!
Brother 2: It was Brotherly Love!!