Mattrossman 

When your friend comes over and falls asleep sitting up on your couch and snores like a whore in church.

He came over and just did a whole mattrossman .

Mattrossman by Hot cherry pie37 October 17, 2018

Mattressdango 

Sex (often rampant) involving a top hat and umbrella.

Sometimes you have to use mandango to do the mattressdango.

Mattressdango by Robert S May 13, 2006