manfriendly Share definition Flag When one man shows emotion or kindness towards another man in a non-gay manor. Speaker 1 - I really miss seeing you man. Speaker 2 - That was a really manfriendly thing to say. manfriendly by Adam Sharky March 8, 2009 0 0 Get merch Get the manfriendly mug. Buy Now — $32.95 See more merch