This is a person, man or woman who walks around like they are the shit. This person is an overblown braggart who believes in themselves like some people believe in God. This person is recognized by exaggerated stateliness; and oh so pretentious in speech and manner.
Here comes Dominic again, "sigh" man that guy is one rooty toot insecure mother fucker!

See that chick with the HotGirl license plate? She really believes in her own importance to the male race. Gross!!!
by charlesjamesonIV June 01, 2011
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RMF (Real Mother Fucker)

Genetic real son and mother do piv. son then becomes a real mother fucker.
Real as it can be, never actually seen a RMF (Real Mother Fucker); just like they say, inscrutable, volatile, a bit tricky to deal with.
by sweetmouthnipple69 August 22, 2018
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Crusty ass mother fucker

Than one guy/girl that basically has sex with their girlfriend in front of everyone
-That’s Bitch Devon he’s one crusty ass mother fucker
-I know right him and Emma are basically are having sex in front of the whole biology class
by _Lukster_ April 20, 2018
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Square up Mother Fucker

The way to tell someone to square up but better
Natalie: SQUARE UP MOTHER FUCKER
Maddie: *squares up* uhh ok?
Natalie: *wins fight because Maddie was scared*
by Square up CAKISUIANS April 14, 2018
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Dog dicking mother fucker

A male family member that pricks you over at the most inopportune times
God damnit gary you dog dicking mother fucker you grumped my ace
by captainhook105 November 16, 2018
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