What is Man Session?
1.
When a group of men get together to hang out and do manly stuff. Typically the group consists of five or more men, however, depending on how manly each man is, the group may be smaller or larger.
"Dave, Topher, Andrew and I were totally enjoying a Friday night man session, you know, eating pizza, drinking beer, talking about our penises and shit, but then Erin arrived and completely destroyed our session."
See