When one spends an unusually large portion of time with their sister to the point where they are mistaken as a couple. However, the word gister is used with a sexual connotation.
by PeterSchwartz July 13, 2017
One who gets the gist of a subject matter and knows enough to be dangerous with that subject in conversation or writing. One with proven gisting abilities. A gister can participate in conversations with subject experts without getting lost along the way.
Joe is such a gister — those research guys think he really has expertiseness in selective serotonin reuptake inhibition.
If it's complicated and you don't have a lot of time, ask a gister to write it.
If it's complicated and you don't have a lot of time, ask a gister to write it.
by D L Sonders June 8, 2010
Two sisters who are dating. This usually occurs in Alabama. There is an award winning show about two princess gisters, fighting for custody over a knight.
A 'Gister,' similar to the 'Gousin,' is used to describe the type of sexual/romantic attraction one would feel to their god-sister.
by IL0V3Jello323 September 9, 2023