When you leave a little bit of mayo or sauce on the corner of your mouth after eating, and it looks like remnants of sexual activity.
by nico-p November 14, 2018

by Sasquie July 9, 2023

by Arminkshipper August 5, 2024

This morning, in bed, I leaned in to give a sweet kiss, but was repulsed by the smell of Scum Mouth coming from their lips
by KJH22 May 31, 2016

by JulianC2386932 January 18, 2023

A person who is beautiful, but who always says something stupid/crazy/annoying. He/she is called such, because, much like 911, when he/she opens his/her mouth, the whole world changes.
by apoxy September 30, 2012

by sophiewilsonese translator September 24, 2022
