The sexual act of licking chocolate cake out of someones anus...

or

The act of fucking someone up the anus who has had chocolate cake shoved up there anus...
i.e.

last night he realy 'Moose Tongued' me...
I sucked his penis after...
it tasted great...
by Mr J.S.J.S May 17, 2009
Get the Moose Tongue mug.
The gritty, pasty, slimy, film like feeling on your tongue after eating. Especially after eating ass.
I got really bad moose tongue after eating Kim’s ass last night.
by Tom minor October 15, 2022
Get the Moose tongue mug.