Using caps lock text in order to convey serious anger, outrage, sadness or grief. origin: Harry Potter and his outrageous CAPS LOCK YELLING throughout the series, but particularly in book 5.
john: i don't think we should see each other any more
jane: WHAT? YOU DON'T WANT TO SEE ME ANYMORE, YOU'RE A FUCKING WANKER THAT'S WHAT YOU ARE.
john: woah settle down, don't go all caps lock harry on me.
A disease, normally affecting women, whereby the sufferer finds herself inexplicably and totally attracted to men with red or "ginger" hair. The disease, which has no known cure as of yet, is normally acquired after one has a severe infatuation with a particularly attractive and sexy ginger, leading the sufferer to believe ALL red-heads are equally attractive.
Girl 1: OMG i have a bad case of the gingervitus, i keep seeing ridiculously sexy redheads everywhere i go! i don't know what to do!
Girl 2: Ah the same thing has been happening to me ever since i saw that sexy beast Rupert Grint in Harry Potter and the half blood prince.