Movie butt 

A person who always farts when their butt is exposed.

The term derives from a common cliché in films, whenever an exposed butt is seen, there’s always a fart.

I always fart whenever I go take a shit, I think I have a movie butt.

Movie butt by Original Orangutans August 21, 2018

Butt Naked Movie Night 

Also abbreviated BNMN

When you and your partner get butt ass naked and watch a movie together while relaxing, eating various snacks, and spooning.

May or may not lead to the act of intercourse before or after the film has begun. You also may or may not have to watch this same movie over again because attention was diverted else where.

Me and my girlfriend are having butt naked movie night tonight...we are going to watch The Wizard of Oz!!

Butt Naked Movie Night by mz.freaky December 16, 2011