A button on the graphing calculator. The 'o' isn't actually an o, it's some kind of greek letter that looks like an o with a line through it. People say it's used for entering variables, but it really sends a signal to the alien Xton who will come and dominate our civilization in the year 3496
by Bob882 November 17, 2004
Get the xton mug.Said of a guy/chick that used to smoke a lot of dope but don't do it anymore (or have dramatically reduced their smoking).
-Mate, that bird is reeeally cool. The thing is, she forgets stuff, she is a xtoner.
-Me, myself and I are xtoners too!
-Respect.
-Me, myself and I are xtoners too!
-Respect.
by Isindalin September 5, 2011
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