Photo by Retiring Guy
If you've read Clock Dance by Anne Tyler, you can just imagine Peter doing the harrumphing.
As for 'harumph', Merriam Webster notes that the first known use of its original sense ("to clear the throat in a pompous way") occurred in 1942.
Other coinages from the same year:
- bow out
- cheesed off
- eye contact
- screaming meemies
- sock away