sibilant: Ragtag Daily Prompt

For Ragtag Daily Prompt: https://ragtagcommunity.wordpress.com/2020/06/11/rdp-thursday-sibilant/

sibilant:
adjective.making or characterized by a hissing sound.”his sibilant whisper” sounded with a hissing effect, for example s, sh.
noun: a sibilant speech sound.

I really have no idea how to use this word or what to do with it!
I will read through some other contributors and maybe come up with an idea.
I was almost thinking of that character who always had the whistle when he spoke, even though I can’t remember who that was either. I think they had a Bugs Bunny Cartoon character with this problem.