Banning annoying friends who beg for pop and/or beer who then take a couple sips and leave it to expire and for you to clean up
Jon: Can you get me another Coke?
Me: You have one
Jon: Yea but its flat :(
Me: Screw you I'm canbanning you
Jon: Nooooo!!
by MN Rainmaker February 4, 2010
Get the canbanning mug.