A Mass of Filthy Ice found on the edge of a road caused by snowplows, road salt and spring melting/freezing cycle. (coined by 89.3 the current, Minnesota public radio)
I wrecked my bumper on a mofi parallel parking on Broadway in Minneapolis.

Don't eat that mofi! You will get very sick.
by ducklowguy March 26, 2014
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It's a short form for the show "Modern Family" and it's usually used by fans.
Person: Can you recommend me a good show?
Me: Try mofy, I'm literally obsessed it's the best show in history.
by sunnyyyyyy April 23, 2021
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said bodily fluids that leak from a woman's wogenie after sex. It's a mixture of my fluids and your fluids - mofie juice
oh man, I just hate it when that mofie juice runs out all over the place after sex or stores itself for a surprise later.
by PeaceJeepBarbie May 5, 2009
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