Nothing crushes the soul more than hitting a good shot up near the green leaving yourself with a short chip or pitch and then yipping the shi* out of it. Ugh.
The thinny. The fatty. The shaky. The shardy. They all suck, and without help from a PGA pro or Tour guru, you’re just going to keep on sucking.
Check out this instructional video and spend some quality time practicing around the green. A good rule of thumb is to spend at least 50% of your practice time working on shots inside of 100 yards, and preferably most of that time right around the green putting, chipping, pitching, and practicing out of the sand (which scares the hell out of most golfers with 10+ handicaps).
Practice! And gain confidence with your short game.