The act of shitting into a blender, then emptying your Pony cum jar into it, then after you put the lid back on, press the smoothie button on the blender. When done you have created a Montana Milkshake
Man i took me a fat shit in a blender when i was drunk last night, so i experimented with my mistake and made a Montana Milkshake
by JustusH2277 October 5, 2021
Get the Montana Milkshake mug.1. When you give a girl laxatives then you butt fuck her and she poops on your dick and you slap her in the face with your shit covered penis
Guy 1: Dude, PJ and Ginna did a Montana Milkshake at my grandma's house
Guy 2: Dude, thats disgusting
Guy 1: Yea, but Pj said it felt kinda good
Guy 2: Dude, thats disgusting
Guy 1: Yea, but Pj said it felt kinda good
by Urban Chaos May 29, 2007
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Close cousin to the Cincinnati Juice Box, except the man releases a load of ejaculate into the woman's anus and proceeds to slurp the creamy mixture out with a bendy straw.
by Feefer May 16, 2008
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