keenaned 

(v): to initially demonstrate strong promise in terms of contributing to a friendship, and subsequently letting everyone down.

We were excited that Pat was moving back to our city, but then he keenaned the whole thing.

keenaned by antikeenan August 16, 2008

keenanesque 

To act in the manner of a keenanite.

That idiot talks total nonsense! He's so keenanesque.

keenanesque by Triphead August 1, 2010