something that is really nasty, old, or sweaty. it is in the new movie, Harry Potter and the Goblet of Fire. very cool london slang word.
Harry: Why are we all standing around this manky old boot?
Fred/George: It's not just any manky old boot, it's a portkey!
Fred/George: It's not just any manky old boot, it's a portkey!
by loolia December 28, 2005

by Jordan Miller April 23, 2005

by Peter December 19, 2003

by pseudonym1027 May 2, 2013

"I rarely climb on Glacier Point apron, because it is way too manky" "Dude, you are lucky you didnt peel, because that pro you placed was manky as hell."
by John C. Bolling August 29, 2006

by JT Dollar Sign December 9, 2003
