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1.
n.- Low growly noises made to express utter disdain with another person's very existence (Source - Count Longardeaux's Strong Badian Jerktionary Fo' My Own Words!)
If Hey Steve shows up I don't want to be held accountable for whatever gutterance I will undoubtedly make.
by m0r1arty September 10, 2009
 
2.
1) a "utterance", from the gut statement, usually blurted out without thinking.
2) a word that needs bleeping i.e.: "gutter words"
3) involuntary groaning of the guts
Quote from formerly employed person caused his dismissal. (something about shoving it.) This "gutterance" cost him his job!
by William C. Dysinger August 28, 2005