When you have M1 but you lose on time
What's the most raging thing with chess?

When I almost win a tournament by defeating a strong player, then blunder it to a draw, reject his draw offer, and then blunder it to a loss
Yes this happened once with me, I almost cried

I don't think there is some "raging thing" playing chess. About myself, I'm very disturbing by the possibility to have a make a move having less than 2 minutes time to decide it, because I hate the fact to take a blunder (and hate the same if my opponent take a blunder playing against me). Because my interest into playing chess is the beauty that a good-played game very often have. My most great desire playing chess is not to win, but to be able to create (together with my opponent, of course!) a game that can be beautiful to see when analysed. If I have to decide what I really hate in chess, I admit that I really hate any blunder (non simply my blunders, but ALL blunders, no matter who take its), because a blunder really damage any beautiful game.

Im new, how is this a draw. (I am black )
This is a draw because white's king has no legal squares to move to, but it is not being attacked by a piece either, so it's not checkmate. This is called stalemate, which is a draw. To win, you must checkmate the king and to do that, you have to be attacking the king. You can read more about stalemate here.

For me, it's losing a game that I'm winning on the board, but completely blunder the win because I overthink things and blunder in low time. This happens very often, and I just can't seem to fix it for some reason.

Losing on time, when you have thrashed the person, you are one move away from check mate and you complain about it and some know it all says, well you should select longer time controls. I despise people like that.

For me, it's losing a game that I'm completely winning on the board, but completely blunder the win because I overthink things and blunder in low time. This happens very often, and I just can't seem to fix it for some reason.
Get more skill hehe

When I am winning but my opponent starts giving checks non-stop
I hate this so much. I want to attack my opponents but I can't do it without letting their piece infiltrate and check me to win all of my pieces.

being 2 pts away from my rating goal a couple of times and then losing 5 games in a row )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
My mouse R.I.P.

realizing you blundered checkmate in a daily game, and your opponent doesn't make their move for a couple of days, so you just have to wait for so long hoping that they don't see it, then they finally make their move and checkmate you. not only did you lose, but you had to sit through days of pain hoping your opponent didn't see the mate.

Or when you're playing a daily game and you thought you were close to checkmate, but you'd overlooked one gap and your opponent got checkmate first. Then you're wondering why your opponent hasn't moved, when the game is really over and sitting in the game archive already, and when you notice it finally you're like "howww?!?!?!"
when i start a game and see 2.Bf4