A fork of Rural Dictionary
used in reference to somebody who likes to spread gossip, or who cannot keep a secret
His ex-girlfriend told everyone that he had a small penis. When he found out, he just said that she had a big mouth.
When a person talk too much, they have a big mouth.
That little boy has a big mouth.
Based on the Netflix show 'Big Mouth' one of the characters masterbates whilst on a sleep over at his friend's house. To big mouth someone is to masterbate at at a sleep over when others sleep.
Finn: "I know you big mouthed me last night..."
Daniel:"Omg! I thought you were asleep I'm so sorry... I was just so horny."
the worst show ever to exist which for some reason Netflix has pumped out SIX SEASONS WITH MORE TO COME and cancelled SEVERAL REALLY GOOD SHOWS AND I HATE IT I HATE IT I HATE IT I HATE IT-
someone who talks a lot
john: yo wanna watch big mouth?
pat: kill yourself
A show on Netflix about teenager puberty and shows child pornography.
How many times do the darn kids go nude in Big Mouth?!