spaz finger 

The moment when a finger does an involuntary movement that results in an unwanted outcome

Whilst trying for the perfect tee shot, an outbreak of Spaz Finger meant the ball did not land as expected

spaz finger by Dredded Joe August 23, 2017

Finger-spaz 

A random spaz in your finger, while you are on your computer. This is what you get when you play too many computer games.

Sorry, I had a finger-spaz!

Finger-spaz by Nidajazz April 28, 2011

spazzingers

When you see something funny or amusing and rapidly try to get your ideas down and it results in spelling errors, you fingers are spazzing out on the keys

Caeley thought the video was funny and had a case of the spazzingers.

spazzingers by Kalea_M October 1, 2017