Spongesploff

A word to describe an undescribable word.

"The food is spongesploff!"
"Huh?"
"It means it's undescribable,"
"Oh,"

Mieu

A describing word for stuff that is magnificent, fantastic, awesome and incredible while also being functional.

"Wow, that house is mieu!"
"Yeah, now that guy can live with his family again! And the house looks great too."