It seems to be a thing of some kind.
- barking at the ape
- bird washing
- gorilla in the washing machine
- growling at the badger
- munching the bearded clam
- clam lapping
- clam diving
- anything to do with clams, really
- pug noshing
- smoking the fur
- licking the beaver
- cleaning the cage out
- cleaning the fish tank
- monster munching
- eating squirrel
- kissing the Wookiee
All found in Outbursts!: A Gay and Lesbian Erotic Thesaurus, by A.D. Peterkin, and on cakeandcunnilingus.com.
Feature image via Shutterstock.