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2.
To die on your ass on stage due to your complete lack of musical talent and inability to recognise that the audience have had enough.
Did you see that support act last night? They were out of tune and were on for ages, they were so killens we didn't even stay to watch the main act.
by hamperdoonback September 08, 2010
 
1.
A middle aged man overly obsessed with Canada and has delusions of grandeur regarding BJJ
OMG guys Canada is so cool!

BJJ rocks man Killen knows it!
by Daniel Short June 12, 2012