i Register
In some senses, fat-finger is marked as informal, humorous. Watch for register when choosing this word.
verb
To type (something) erroneously on a keyboard, keypad, or touchscreen by accidentally pressing with a finger one or more keys other than the intended one.
Another Sprint employee speculated that someone might have fatfingered the keyboard.
However the other day I fatfingered a web request and got a Charter Communications not found result page
noun
Alternative form of fat finger.