a key combination that causes the contents of your computer screen to flip upside-down.

ctrl-alt-up will reverse this action.
no way! this flair on facebook told me to push ctrl-alt-down, and it flipped my screen over! now what do i do...
by no one in particular... January 27, 2009
Get the ctrl-alt-down mug.
That key combination one presses when one wants to turn one's screen contents upside-down.

(To reverse, Ctrl+Alt+Up)
(Windows XP only. Vista will zoom the screen in and 7 sucks so it does nothing.)
LOLOLOL!!!111!!ONEONE!!!!!11
You should try pressing Ctrl+Alt+Down!! It's well funny!111!!1!!!ONE!
by Mr. lololface December 1, 2010
Get the Ctrl+Alt+Down mug.