Top definition
Something injured or killed by smacking face flat onto a big glass pane, usually a window.
I didn't turn off the lights in my room, and now the window is covered in windowkill.
by reikaze October 15, 2010
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug