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A mgaff is to be a being so stupid, fat and think you know everything. Most of the time the mgaffs will probably bleed hot pockets instead of blood. Most of the time is on the computer and cant get off or get a life. This poor species is rare so don't kill an mgaff if u see one just report it to the local zoo, animal museum or animal shelter.

Can also be used as a noun and an adjective
Noun: To be extremely fat, lazy and love eating hot pockets (most commonly used as an insult)
Adjective: A way to say obese and lazy without using both words.
Bob:Hey Jim i saw an mgaff yesterday

Jim:No way are you sure? they're usually just fat nerds.

Bob:No Jim im sure i saw it bleed hot pockets.

Peter:Hey Melinda how bout you stop being so stupid?

Melinda:Well Peter at least im not an mgaff

Little Kid:And the new kids stupid, acts mean and is an mgaff.
mgaff by tots13617gamertag February 4, 2013
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Peter Maffay 

A famous german singer.
Often (at least in Germany) used to strengthen a negative statement.
Mostly used in online gaming.
Me: I'm lagging like Peter again.
Other Radom Guy: Like Peter Maffay?
Peter Maffay by fishkiller2406 June 25, 2016
Related Words
mgaff maff maffew Maffins maffing Maffle maffed maffis Maffina Maffise

quick maffs 

A form of mathematics used by Roadmap Shaq to express how quick he can preform "maffs"
Roadman Shaq: 2 plus 2 is 4 minus 1 that's 3, quick maffs
That’s a maffis dog
Maffis by Kevin yes February 6, 2020
If you are considered a "Maffu", you are generally innocent and adorable.
"Matthew Muir you are SUCH a Maffu!" - mummy
"a luvaz oo mummy" - maffu
(:
maffu by laura fletcher December 27, 2008

Maffucci 

The name of someone who is crazy, hyper and funny. They can also be perceived as annoying, dumb and extremely blonde. Maffuccis are often called out as being racist, but it is unclear whether or not that is true. A Maffucci most closely resembles a Dial.
Mom, Maffucci called my work a piece of shit, and called me dumb!
Maffucci by anonymous3561 April 28, 2012