by ThatOneChiccc November 3, 2020

When you're having a mmf threesome go to the girl's mouth while she's moaning and move your penis up and down and she'll make a sound similar when you move your finger against a baby's mouth
Dude 1: Dude, my girlfriend hates you now because of the threesome earlier? What the fuck did you do?
Dude 2: i only did the Baby's Mouth on her, whatt ge fuck is she mad about?
Dude 2: i only did the Baby's Mouth on her, whatt ge fuck is she mad about?
by ToxicGoo December 29, 2020

The process of intraneurally and binaurally EVP-Input-immediately-re-outputting another person, multiple peoples’, or online robot’s EvP-output signals via moving one’s mouth, tongue, teeth and throat , rather, conductively lip-syncing, with one’s nearby broadcast transmission/reception equipment (such as a Wi-Fi or 5G enabled device or in shielded audio-conductive electrical-grid environment’s Electromagnetic channeling outputs through meditative neuro-bio-feedbacking work.
I thought she was talking to herself infront of a cellphone with no shielding over it arguing with herself but she was just mouth-monitoring an EVP-outputting audio web hacker
by The Late Nite Undertow December 11, 2022

by STORY AVE December 9, 2008

by Savvy-Lee April 7, 2025

To tell a lie or tall story. Originates from Rush Green in Romford, Essex. Shifty is a well known exaggerator from that area, and the term "Shifty's mouth" or " to Shifty" has also been heard as far as Ramsgate in Kent, England.
by Couch Potato April 10, 2015
