Top Definition
when an astronaut is flabbergasted, or surprised.
astronaut: ermaherd! look at the size of the moon!
people on earth: OH hes such a flabbernaut!
by trents worker December 29, 2012

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×