Sometimes it seems like the narrator of HOOM (the song) and GIPC refers to a sort of 'unselfing' moment by singing hoo repeatedly as a pun on 'who'.
'And I knew that no other could ever love me-eee-eee.. who-whoo-whoo'
'Til' I can't remember my own name.. who-whoo-who'
Hadn't seen that mentioned before and thought it was worth putting it out there