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1.
1) The act of ensuring that you have no possible chance at taking things to next level from a physical standpoint.

2) Using irrelevant conversational topics to struggle your way through every one on one exchange of words with the opposite sex.

Also known as the "Sure Friend"
Guy 1: Hey man, I saw you over there talking to that girl! Did you get her number?

Guy 2: I tried, but.... I asked her what kind of transmission her car had, and I totally Casey LaMaster'd myself!
by a_bear_has_gotta_eat May 09, 2010