A very disrespectful way to disrespect someone’s mother when you are describing something that is very deep or wide. This phrase should only be used to describe something that fits the criteria of being deep or wide very well.
Man I saw the Mariana Trench and it was as big as Nick’s Mom’s Poon!!!!
by yumspoiledmilk June 10, 2019
Get the Nick’s Mom’s Poon mug.