fat fingered

Noun

fat finger (plural fat fingers)

1. (also, attributive, humorous, idiomatic, informal) A supposed cause of typographical errors, especially keyboard errors, caused from erroneous key presses or typing errors on touchscreen devices.
   • The first subcategory is what I choose to call Fat Fingers Syndrome. This is a problem obviously caused by poor typing techniques which result in a single finger striking two keys instead of one. [...] The opposite of the fat finger problem is what I call simply the Missed Key(s). This can also...2005, William Carroll, “Just Not Your Type?”, in The Untied Stats on American: And Other Computer Assisted Writing Errors, Lincoln, Neb.: iUniverse, →ISBN, page 8