pizza knees

When you fall onto your knees on a rocky/gravelly path,
Scraping both knees on impact, little rocks and debris stick to the scraped area.
Giving the grim impression of pizza on your knees.

Usually happens while rollerblading up gravel paths.

"I was rollerblading down that path when I fell over and got pizza knees"

by Delicious penguins February 01, 2021