The quickest way to learn drums

I have been playing drums for several years but purely as a hobby. I never really bothered to focus on specific exercises or to practice with a metronome. I mostly played along with other songs or learnt a few basic beats. Today I took the time to finally record my drumming and the results were.... shocking!

My timing was all over the place and what really sounded fantastic in my headset, sounded really cringe-worthy when played back, particul...