Fart-in-your-mailbox

The idea that someone is being shady without any actual proof, like a anonymous Shit smell in your mailbox. First occurred from a string of offenses reported on Next Door.

“Man, have you read all this stuff John Bolton has been Writing about Trump?”

“Dude, that guy is an asshole from Jump, he’s full of shit. Don’t let him Fart-in-your-mailbox”