What is the meaning of Try-hard?

Japanese summary of today’s article 今日の記事の日本語要約

昨日シェーンとFortniteをプレイしていて “try-hard”といったので、”がんばれ”っていう意味かと思ったら、どうも違うみたい。
アーバンディクショナリーにはスラングが載っているから調べてみるといいよとアドバイスを得たんだけど、いまだにその意味がわからない。

What is the meaning of Try-hard?

When I talk to native speakers, they use a lot of slang.
My VRChat friend Shane introduced me to Urban Dictionary.

I knew that website, but I hardly use it.
,because I’m not familiar with that kind of slang.

For example, we played Fortnite yesterday.
He said “try-hard” after he was shooten and lost by the enemy.
He said “try-hard” after he was shot and killed by an enemy.

I thought that meaning was to do my best or to make an effort.

I asked him.
He said that it was different in this case.
I was confused.

He said that “try hard” has two meanings.
Then he asked me if I knew that dictionary.
website

Like this, I don’t know what slang is for me.

As I’d said, I don’t know this kind of slang.

I didn’t know “try-hard” was slang.

Then I looked it up on Urban Dictionary.

I can’t understand what that’s meaning yet.
I can’t understand that meaning yet.

Is that meaning like a hard worker?
Does it mean to be like a hard worker?