Large chunks of Ice and/or slush that get stuck behind a vehicle's tire.
Jesus Christ, Thoms, get rid of the Fenderburg
A Big Problem
::Jay, Duke, and Marty are playing Scrabble.::
Jay: That's not a word.
Duke: We'll just see about that. Get me Webster on the phone. Noah, how you doin'? It's Duke. How about you make qwzybuk a word. I don't know what it means! How about "a big problem"?