If you say that someone is mad keen on something, you are emphasizing that they are very enthusiastic about it.
by verykeen December 31, 2011
A way of emphasising one's keenness to partake in an activity- often surfing, drinking or fighting.
Often shortened to mad dog.
Mad dog keen is a phrase made popular by the cult underground movie "Jordanman 2.0"
Often shortened to mad dog.
Mad dog keen is a phrase made popular by the cult underground movie "Jordanman 2.0"
Dr Pain: "Wait...lets make this interesting. keen?"
Jordanman: "Yeah....Mad dog!"
Mayonazi: "Wanna get crunk as?"
Everyone: "fuck yeah, mad dog keen!"
Jordanman: "Yeah....Mad dog!"
Mayonazi: "Wanna get crunk as?"
Everyone: "fuck yeah, mad dog keen!"
by white-trash-doris May 30, 2008