cathrillion 

A really, really big number.

I go on urbandictionary.com a cathrillion times a day.

cathrillion by Lancelot57 May 23, 2006

Catillion

A dance and etiquette class

"Tonight in catillion, we will be practicing our bows and curtsies."

Catillion by Tutku S. Nightlord August 22, 2009

Catrillion

Can be any number. It is simply a reference for a number that is beyond your reach. See Example.

I would get my car out of impound but they want a Catrillion Dollars to get it out.

Catrillion by Original October 28, 2004

castrillion

A faggot
Named after Thomas castrillion, meaning faggot or person of emended gayness. Used primarily in Spain and 3D design classes.

Wow u are such a castrillion

castrillion by Aioshsjajahaa December 13, 2017

cadrillion 

And intangible, immeasurable number of possibilities. Less than infinity but more than sextillion.

There are a cadrillion ways to eat a Reese’s.

cadrillion by Marissafcohen May 28, 2022