nonwinner 

a loser. someone who is full of nonwin.

That nonwinner just doesn't know when to shut it up.

nonwinner by Vanimal December 29, 2007

Noskinner 

Noskinner is a player in Fortnite that is very new and doesn't have any custom skins for his/her character model.

"I'm taking shots! Oh shit there's a noskinner up on the hill at 285. Let's take em' out!"

Noskinner by Fizban Albrite June 1, 2018

non-winner 

A softened alternative to loser typically used on game shows. Though more politically correct, it generally ends up sounding condescending.

Alex Trebek:...and let's hear it for today's non-winners.

non-winner by Schismrobo February 10, 2008