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 9, 2010
 Get the gistermug.
Get the gistermug. 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
 Get the Gistermug.
Get the Gistermug. 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.
by anonymous January 9, 2021
 Get the Gistermug.
Get the Gistermug. 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 8, 2023
 Get the Gistermug.
Get the Gistermug.