(vulgar, slang) The middle finger

present participle of fat-finger

(idiomatic, humorous, informal, also attributively) A supposed cause of typographical errors, especially keyboard errors that cause erroneous trades to be executed in financial markets, or typing errors on touchscreen devices.

index finger

(electronics) A part used in printed circuit boards to form the traces of the edge connector which plug into matching sockets.

As tightly screwed as can be achieved by the strength of one's fingers, without the use of any other tools.

Interpersonal communication by digital media, especially using keyboard devices.

A minimum of effort.

(humorous, informal) Careless or clumsy in typing.

simple past tense and past participle of fat-finger