Joe mama so fat refers to a popular and creative joke referring to ‘Joe Mama’ and is usually said in a format such as….

‘Joe mama so fat, she woke up on both sides of the bed’

Joe mama jokes are often told within school grounds, and are lent with no harmful intent.
Joe mama so fat…… the Eiffel Tower quivers when she’s near
by Annon5697216 November 11, 2021
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Joe mama fat is a meme in which can be used as a comeback or as a normal joke. This is funny to most people except easily offended idots.

If you see the GIF at the bottom, then let me tell you that the cat in the GIF is the size of joe mama
Person 1: Yo that person over there really fat
Person 2:Joe mama fat!
by Mr. deez funi May 1, 2022
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joe mama fat is used as an insult when you feel bad about calling someone gay lol.
Person 1: "JOE MAMA FAT LOL"
Person 2: "... *CRIES*"
by THE.FAT.BITCH.MF. March 15, 2021
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