Trying (unsuccessfully) to type while you're drunk, characteristics of drunkenfingers are:
-you push multiple keys at once
-you mis-spell at least twice in a sentence
-you make typos because you think you know where the keys are
or the most obvious sign:
you're on webcam with half a bottle of Smirnoff visible on screen
Alex- Hey, Jimbo, how are you?
Jimbo- I;m fiiine fankoo, hoe aboooout uu?
Alex- Get off the computer mate, you have drunkenfingers
Dan was surprised to learn that, while he was out drinking late the previous night, he had purchased several shares of DNKN and SBUX during an apparent drunkvesting spree.