A word or sequence that causes the activation of Google Instant's filter, so named because the list of instant search results are replaced by a blank screen.
by ProximaCentauri September 9, 2010

We doing this?
I don't know man. It don't seem right. You know?
What. You gonna whiteout? I should have known you were not a true boarder.
I don't know man. It don't seem right. You know?
What. You gonna whiteout? I should have known you were not a true boarder.
by gnostic 1 February 9, 2014

Partaking of too much leaf causing sudden nausea and a draining of blood from the face - hence the 'white'. Usually followed by upchucking an passing out in a pile on the floor
by mashy October 27, 2003

When a white person has completely overused something or changed it in a way that compliments their whiteness.
Person 1: Have you seen the new girl?
Person 2: No, what's her name?
Person 1: Heighleigh.
Person 2: Wow that sounds like such a whiteout name.
Person 2: No, what's her name?
Person 1: Heighleigh.
Person 2: Wow that sounds like such a whiteout name.
by ineptriley July 11, 2018

by Mystery Man 9000 May 26, 2010

by Aj April 28, 2003

by jeffasssssssss December 27, 2013
