When a lover removes his anus and touches it to his significant-other's forehead. This ritual can be done either out of love or aggression. A little known fact is that this ritual inspired Van Morrison to write a song with it's namesake.
(1) Browneye The Snowman is an advanced Powdered Bronut where the recipient puts cocaine in and around a dude's asshole, and instead of sniffing the cocaine, he rests his nose against the browneye and waits for a fart, aka "the magic", to propel the cocaine up the recipients nose.