noise incomprehensibility resulting from irrelevant information or meaningless facts or remarks; "all the noise in his speech concealed the fact that he didn't have anything to say"
grunt -
an unskilled or low-ranking soldier or other worker; "infantrymen in Vietnam were called grunts"; "he went from grunt to chairman in six years"
Verb
grunt -
issue a grunting, low, animal-like noise; "He grunted his reluctant approval"