The phrase "sake man" is usually used to address someone who is acting foolishly or making bad decisions. It is a way of expressing frustration or disbelief towards that person's actions. Full definition
For Gods sake man, you got turned over big time.Just accept your slap in the chops and move on. (arsenalfcblog.com)
Try going some were else besides Middle America, I'm in Jerusalem right now I have been trying to get a shipment of insulin and other medical necessity's past the blockade for 2 days now my cargo been checked out 7 times buy Israel officials there is no contraband for funs sake man it's easy to get humanitarian relief into the Congo then it is to the Palestinian «ghetto» (religion.blogs.cnn.com)