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Mental One: Mental Orgasim. Also referred to as Mental O' or Mental. This is used when a person or persons is incredibly hot, sexy, and or beyond hottness or sexiness(etc.) that they give you a mental orgasim, via mental O'. Also can be used with mmm yes for more emphasis!
Example 1;
Person 1: oh that guy is soo hot!
Person 2: I know I just got a mental one!

Example 2;
*supa sexy person walks by*
Person 1: mental mental!

Example 3;
Person 1: hot guy two o' clock!
Person 2: mmm yes, mental one!
by Dacy April 09, 2007
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