windowmime 

(noun) The act of broadly gesturing and/or mouthing words to someone on the opposite side of a pane of glass (e.g., a window, car window, etc.), even if the other party could hear you if you spoke.
(verb) To engage in an act of windowmime.

"Betsy let me know she needed her car keys after she went outside by the key-usey-hand-twisty windowmime."

windowmime by Kauffy November 16, 2018

Windowie 

A building usually a corporate hell hole that is primarily made of windows.

"If you drive down the street you will see a big, tall, windowie building on your right. thats my office"

Windowie by evil vet October 28, 2011

Windowtized 

A computer that has been touched ONLY by all aspects of Windows and its accompanying updates.

I made sure my computer was Windowtized before I installed all my software.

Windowtized by The Incredible Dan November 22, 2006

Windowfile 

Constantly looking out the window at other people

My neighbour constantly tells me that "there's a windowfile over there!"

Windowfile by Eddy Banana July 15, 2022