keyboard jizz
the nonsense your fingers come up with when your fingers spaz on the keyboard, normally indicating extreme emotion that words and/or emoticons are not great enough to explain

most commonly a combination of letters from the "home base" keys
alksfdjlaskdfjlafksjdfa
Arianna: I can't go tonight, I'm grounded.
Sarah: but dude it's Halloween.
Arianna: 'but dude' it's my mom..
Sarah: jalsdfljasdfjasldkfj
Arianna: cute keyboard jizz