bitcoin loser

someone who talks about Bitcoin too much and loves it too much and think the whole world revolves around Bitcoin

This guy just bums Bitcoin, he's a real Bitcoin loser

tosspot

Someone who is an absolute douchebag twat; Someone who has no real comprehension of others and the world, acts selfishly and arrogantly, and generally acts in a way to better themselves whilst aggravating those around them; Someone who has no understanding and comprehension of others' lives and desires, and acts in a shallow and demeaning way with apparent ignorance and stupidity.

"I just got a reply to my online forum post. This guy must be an absolute tosspot. Look what he's written!"