Wiktionary
harumph
alt. An expression of disdain, disbelief, protest, refusal or dismissal. interj. An expression of disdain, disbelief, protest, refusal or dismissal. n. An expression of disdain, disbelief, protest, or dismissal; a huff, grunt, or snort. vb. To dislike, protest, or dismiss.
Usage examples of "harumph".
Smallwood, who harumphed and put his hands behind his back, as if encouraging us lawmen to get cracking and lay down some law.
There had been some harumphing about his part in the Genesis Caper, but considering how that had turned out, all had been forgiven.
And apart from some harumphs and giggles, I couldn't find any counterarguments.