vigintillion

a very large number: 1000000000000000000000000000000000. used when wanting to sound smart.

Man: your ass got a vigintillion gallons
woman: um... thanks?

by Madamerouge1331 May 23, 2011

vigintillion

Noun. 10^63. Also means "idiot" "moron" or as an adjective, it's synonymous with "gay" or "retarded". Also, it can be used as an interjection, such as "Vigintillion!"

"Vigintillion!"(interjection)
"That's pretty vigintillion, dude."(Adjective)
"You're a vigintillion."(Noun)

by The Legendary Tenor September 1, 2003