flabbarooni 

An Australian (Aussie) slang word you use when you finish pranking a friend (mate)

Example:

Friend : Oh no! I’ve lost my really expensive torch, can you help me find it .?!
(10 mins later)
Pranker: I found the torch!!

Friend: Omg thankyou so much where is it !

Pranker: FLABBAROONI!

flabbarooni by Flabbarooni creator October 16, 2017

fabarooni 

ghetto macaroni for poor people

Pass the fabarooni please.

fabarooni by kid May 13, 2005

Flabbergooning 

Gooning while in a state of shock or surprise. Could also refer to having the urge to goon when shocked.

The police tased him during his goon session therefore he started flabbergooning.

Flabbergooning by lovenlighttvlover911 February 9, 2025