deathonsteroid

Deathonsteroid is more of a adjective than an everyday term. It can refer to the drug Death but with assorted steroid drugs, but most commonly means someone who can't figure out how to get good and gets stuck in low ranks.
Noun: Dude, try this deathonsteroid. When I took it, a dragon's ass came from Mars and blew up New York City.

Adjective: Lol, look at this kid playing Brawlhalla over here. 200 wins and he's stuck in Silver. What a deathonsteroid.
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truiso

The word "truiso" has no legitimate literary meaning in any language. However, it can be used as a slang term among a small group to mean "a player who masters things easily".
Person 1: "This guy's absolutely insane. I gave him this game two weeks ago and he's already better than us!"

Person 2: "Must be some kind of truiso."
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