Definitions by Commander Keen

loophole

Something forgotten, and can be taken advantage of. Or be a disadvantage.

person 1: I found a loophole in spider solitary.
person 2: how?
person 1:I played all but 6 cards and i need 7 to use another deck.
person 2:what are you going to do?
person 1:I dunno..

loophole by Commander Keen November 1, 2004

fool me once 

fool me once, shame on you. fool me twice, shame on me.

falling for the same trick again.

fool me once by Commander Keen October 31, 2004