A term used to express an extreme state of happiness
Barb: Girl, you got the job
Hazily: 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!!"