Shoving your tongue deep into an anus. (As deep as you can I suppose)

To insert ur tongue into anus hole

Licking ones a** hole with your tongue

The use of a male or female tongue, in the act of licking or profusely sticking of the tongue back in forth into the male or females anus.

Licking ones a** hole with your tongue

Licking asshole.

Lick a girls anus.