The act of making a definitive promise, but later defaulting on that promise for no apparent reason.

Mercury retrograde is the act of taking a shit whilst mooning one or more human beings. Your day can typically being going well, according to your horoscope, until you are forced into witnessing Mercury retrograde. Performing Mercury retrograde will often speed the astrological cycle forward for the individual performing the Mercury retrograde, bringing about happy and fruitful times to come.

The Act of Refusing to Pay for anything, even though you have the money.

See Ramday

To steal someone's man

The act of joining another leadership organization/club in school when you are already part of a similar organization/club (i.e., JROTC Program, Student Government, Student Democrats, etc.). In some cases, a person that has been in a leadership club since freshman year pulls a charlie during their upperclassman years.