Fat-finger

Alternative forms

• fat finger, fatfinger

Origin

fat + finger, the implication being that a person who fat-fingers does so because his or her fingers are too fat to strike a key without accidentally simultaneously striking a neighboring key.

Full definition of fat-finger

Verb

1. (transitive, informal) To make errors in typing on a keyboard or keypad by accidentally striking more than one key simultaneously with one finger.
• 1995, September 8, US West software update disconnects online users, Another Sprint employee speculated that someone might have fatfingered the keyboard.
• 2008, August 24, DNS: Patched but not totally fixed, However the other day I fatfingered a web request and got a Charter Communicationsnot found result page
• 2010, May 06, Jennie Runevitch, Source of stocks' plunge investigated, "Evidently, someone said they 'fat-fingered' a trade, meaning they accidentally put it in for billions instead of millions," Snyder said.