Define Cats Birthday Meaning

Uncle's Cat's Birthday Party
an excuse that someone uses which is most likely a lie

John: Jack didn't show up for work today. Apparently he had to go to a family gathering or something.
Jake: sounds like his uncle's cat's birthday party to me.
By Edwina
Cats Birthday
When something has become an out of control mess either literally or figuratively.

What is going on in here? It's a real cats birthday!!
By Martica