Also known in Holland as a "sad sad loser", a sad loser is somebody who feels confident enough to chide or mock him/herself when they do something that is considered breft, aloof or silly.
"I was walking down the street and this gorgeous woman smiled at me and stopped to talk, however I just mumbled and kept walking because I am a sad sad loser."
fuck the shitty loser-ass Lions, they are perennial losers.
A person that cares way too much about their job.
" The manager's not even here today. Why is he being such a work loser?"