A squirrel that's part of an evil conspiracy to conquer the Earth and manipulate Acorn supplies to their diabolical advantage.
If you see a skwerl, run for your life!
by Ross Archer March 13, 2003
someone who does things with wreckless abandon and little holds little regard to their own well-being while doing so.
He was driving like a skwerl the other night. It's a wonder he didn't kill himself
by Brian May 05, 2004