Fat-finger

Another Sprint employee speculated that someone might have fatfingered the keyboard.

Source: wiktionary

However the other day I fatfingered a web request and got a Charter Communications not found result page

Source: wiktionary

“Evidently, someone said they ‘fat-fingered’ a trade, meaning they accidentally put it in for billions instead of millions,” Snyder said.

Source: wiktionary

In general, mobile form designs are "chunkier," using larger input boxes to make it easier to tap in the intended field, even if the user "fat-fingers" it. So make sure to add some extra padding to all your input fields, and also increase the font size a bit so it's not only more legible but also larger on the touchscreen.

Source: wiktionary