a deep conversation (or heart to heart) where two or more individuals divulge secrets or life stories that are not known by many others. The heart to hears usually happen between, but are not limited to, two or more guys. The end result of these conversations is usually a newly formed bond, hysterical sobbing, a new outlook on life, or a homosexual relationship.
"hey, wanna brosesh tonight?" "yea man, i'll bring the tissues"
The homosocial, nonsexual bonding between men from the age of 16 up where men discuss manly things in a masculine environment such as a dive bar, a house with a TV and beer pong table. The Bro Sesh may sometimes include, but is not limited to the use of tobacco products, recreational drugs, and alcohol.
(For kids in middle school) A planned time, usually after a party or bat mitzvah, when u can get together with ur bros n hang out all night at somebodys house. You will probably also raid a 7-11, watch South Park, and talk about which girls are hot, ugly, sluts, and also rag on the guys who arent there.