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1.
A loving term of endearment for an elder, particularly a grandmother or great-grandmother. Similar to "nana", "grandma", or "grammy".
We call our ninety one year old great-grandmother "Mimmie".
by TurtleShroom August 06, 2011
3 4
 
2.
What happens when a chick's boobs get too large for the biggest bra in a normal store.
Brad: Dude, Rachael's starting to go all Mimmie.
Michael: Bro. You don't even know. I fucked her last year. She's been Mimmie for a while.
by chief.overlord September 03, 2011
0 1