Being a Hard

Someone who is investing all of their strength into any action no matter the consequences. Comes from "Going Hard"
This person would often go above and beyond to accomplish a task that wouldn't normally be worth the time or effort they are exerting.

Can be used to describe a try-hard or sweat.

"I spent 7 hours designing the outfit for my D&D character"
"You're being a hard, don't you have an essay due?"
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"I was grinding last night on your and my account so we can get to the lvl 50 dungeon"
"You would be a hard you sweat"