An ann counler or simply a coulter, Someone, particularly or usually a woman who is so ugly on the inside that it shows on the outside. Also a term for rotting fruit as often fruit rots from the inside out. A bitter or personality challenged person/woman.
Person 1: Ewww, did you see her? She looks like she swallowed a whole barrel of lemons, she looks like ann coulter...
Person 2: Yeah a real coulter
Med Student 1: How was that open ass surgery...the coulter hemorriods we had to watch being extracted?
Med Student 2: Yeah, it was so coulter I felt sick!