The act of throwing someone out the window
"hey dom!"
"yeah whats up!"
"can you come up to the window please?!"
"sure, what do you n.... AGHHH WTF ARE YOU DOING?!?!?"
"IM DOING *DEFENESTRATION* NOW GET THE FUCK OUT THE BLOODY WINDOW!!!!"
"WHAT THE FUUUUUUUuuuuuuuu...... *splat*"