Similar to 'back washing,' back dropping occurs when discrete piece of food is dropped back onto the place they are taken from. For example, eating a bag of chips and having a few pieces from your mouth fall back inside the bag.
by A3DFXx January 07, 2008
Get the Back Dropping mug. Person 1: “Ugh I’ve got dutty back drop...”
Person 2: “Must be from all the blow you’ve been doing...”
Person 2: “Must be from all the blow you’ve been doing...”
by jostt94 January 04, 2020
Get the Back Dropmug. 
A reptile is where you suck the inside of a asshole until the person shits inside of your mouth and you qye after that you decide to put the shit back in there asshole
by Nudemajose August 02, 2019
Get the Mouth Drop Back Inmug.