by yippiekayyaymotherfuckerdiehar April 7, 2010
Get the yippie kay yay mother fuckermug. 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!!!
See that chick with the HotGirl license plate? She really believes in her own importance to the male race. Gross!!!
by charlesjamesonIV November 13, 2011
Get the rooty toot insecure mother fuckermug. 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
Get the RMF (Real Mother Fucker)mug. Natalie: SQUARE UP MOTHER FUCKER
Maddie: *squares up* uhh ok?
Natalie: *wins fight because Maddie was scared*
Maddie: *squares up* uhh ok?
Natalie: *wins fight because Maddie was scared*
by Square up CAKISUIANS May 26, 2018
Get the Square up Mother Fuckermug. -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
-I know right him and Emma are basically are having sex in front of the whole biology class
by _Lukster_ May 28, 2018
Get the Crusty ass mother fuckermug. by captainhook105 November 15, 2018
Get the Dog dicking mother fuckermug. by Ikkybee March 12, 2017
Get the welcome to the rice fields mother fuckermug.