Top definition
a one lane underpass, or tunnel, for cars underneath a railroad track that is constantly tagged and retagged with bad graffiti by Karns High students
"Dude, I was tagging the Karns underpass last night and the police came before I could finish."

by jellybean4 May 12, 2009
Get the mug
Get a Karns Underpass mug for your fish Vivek.