Sideways Monster Mash

Used by Phillip J. Fry from the TV show "Futurama" to describe sex.

Leela let's ditch these aliens so they can do the Sideways Monster Mash.

by Zoidberg101 March 16, 2011

Sideways Monster Mouth

The vagina. Described as such because of its likeness to a monster's mouth, but rotated counter-clockwise ninety degrees into a vertical position.

"Oh my god. There I was drinking my vodka-cran while she shaved her sideways monster mouth..."

by Marimba Man July 4, 2009

The Sideways Monster

When you take a shit and it ends up sideways in the toilet and it won't flush so you have to attack it with a toilet plunger

"The Sideways Monster has struck again"

by Sollarr January 30, 2018