Someone who is so misguided and misdirected in life that they constantly fuck up everything. This is usually caused by stupidity compounded with low self-esteem. Losers can often be found doing self-destructive things like smoking, wrecking their cars, drinking, getting high, taking it up the butt, and gambling. Losers reek of tobacco, abuse their kids, and just set a generally shitty example for all of society.
a person who is in the habit of making bad decisions, like gambling, smoking, or using other harmful addictive drugs. these habits screw up their lives and make them losers.