Tabooleys are a made-up word with no specific meaning.
It's just a fun word that doesn't have a real definition.
Examples:
I like to say tabooleys when I don't know what else to say.
Do you know what tabooleys means? I don't!
Tabooleys is a funny word to say.
I heard a silly tabooleys song on the radio.
My sister made up a story about tabooleys and it was very funny.
Tabooleys is a word that makes me laugh.