Ahroogah 

A term used to express an extreme state of happiness

Barb: Girl, you got the job

Hazily: AHROOgah

Ahroogah by Barnacle March 15, 2017

Ahroogah 

Originally the old Model T horn sound.

Popular mid-20th century hot rod horn sound in Hollywood teen "B" movies used often in expressing positive reaction to an attractive person or group of persons.
Archaic.

Bruce posts a picture of himself with 2 olympic swimmers on a social network site and Jody comments "ahRoogah!!"

Ahroogah by WOUBer August 16, 2009