Lone wolf = Usually a somewhat good looking guy who spends most of his time alone cause he prefer it that way. Very few will think of him as a "friendless loser", in fact, many will try to befriend him.
Friendless loser = Ugly guy, usually a nerd, computer geek, who have TRIED to get friends and girls but usually failed cause of his awkward social skills.
Lone Wolf = A guy who holds his value high above everyone else, prefer to do things his own way by himself
Foreveralone Loser = A guy who desperately needy of friends and gfs, cope by thinking he's a lone wolf