Supercalifragilisticexpialidocious

Super good.

This shoes are supercalifragilisticexpialidocious! = These shoes are great!

A

Shark.

A! It's the cute shark!

vegegetable

Same meaning as "vegetable". Existed because someone was pronouncing it while it was noisy.

Same usage as "vegetable". Like "I hate vegetables" changed to "I have vegegetables".