Green’s Dictionary of Slang

growl v.

growl out (v.)

(Aus.) to perform cunnilingus.

1985

‘Thommo’ Dict. Aus. Swearing & Sex Sayings 63: GROWL ‘ER OUT — Cunnilingus, a term used by rougher groups of males, eg. Bikers etc.

growl at the badger (v.)

see under badger n.¹

growl at her busby (v.)

see under busby n.