A person that will help you deal with a problem or situation no matter what.
I had a dead Hooker in the trunk of my car so I called my no Bullshit Guy to help me get rid of her.
A guy who is generally nice guy but when it comes to serious matters he does not joke around.
James: A customer was disturbing the peace in my shop today, I then phoned the police without even a warning.
Scott: You are must be a no bullshit guy