1 definition by Perfect specimen
The act of a female inserting there index finger in the anus of a man and fingering said anus until anal juices flow freely and devouring the excess bodily fluid. Gribbling can only be preformed by a women on a man's anus
Man1: Bro, u should have seen this chick we went into the bathroom and guess what.
Man2: Oh no she didn't
Man1: Fuck yeah that bitch was Gribbling me hard
Man2: Oh no she didn't
Man1: Fuck yeah that bitch was Gribbling me hard
by Perfect specimen August 19, 2012