Hyshums 

We all know little kids come up with some funny words when they're learning to talk. When a 2yo asks for ice-cream they sometimes say hyshum.

Shall we have some hyshums for desert kids?

Hyshums by Puffwagon March 7, 2023

hushums 

(verb; interjection)
1. an endearing way to tell another person to be quiet.
2. an exclamation of teasing displeasure with what another is saying.

you better hushums!

hushums by iamnotabronte January 2, 2011