>>662319https://youtu.be/U0hymaqOhAEHere is another one, this time follows a effective system, it feels slightly rushed, but mostly because by the end of it i kind of just wanted to finish it, that being said this is closer to my skill level as of now!
as for help on for snappy action, Exagerate the Movement, Smear frames indicate Really fast as fuck speed and as such you barelly see it, (Maybe 2 frames at most if you use 24 fps).
make the destination of something from A to B overshoot
Pic related is should help you, it's a tutorial on how to animate centered weapons in doom, but this should also teach you how to implement it in other stuff too.