Shitposting would be called pooposting for the alliteration alone!

https://lemmy.today/post/49535662

I hope no one will pooh-pooh your idea.
What’s the rhyming/alliterive analog?
Alliteration ain’t always appropriate

They say while…

Just props.

Pottyposting would help you avoid that awkward pp
Shitsharing
Wish I’d never watched that video
It was a love story
fecalbroadcasting