A made up word.

a type of keyboard

The most used password for anything

A keyboard originally created to slow down typists in the old days of typewriters becuase they broke the typewriters by typing too fast. Now there isn's a problem of breaking a keyboard but it is still used and is the same design that was used to slow down those typists decades ago. Why it is still in use is a mystery.

Slapping your hand against your keyboard in an expression of derpy fear.

The 6 letters on the keyboard, on the top alphabet row, from left to right. People usually write this or search it in Google when they are bored.

QWERTY is a secret code word used by pedofiles and porn junkies. It is added to the end of file names as a method to return more porn results when using file sharing programs such as WINMX. Also used to disguise illegal child porn files.