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Surname. The American version of the name Muller, but with an Umlaut over the "u." Very common in Germany.
American Muellers can be the best people you will ever meet.
Person #1: "That Sarah Mueller, she's really great!"
Person #2: "She might actually be one of the best people I have ever met!"
by always true February 26, 2009
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When having intimate sex and your penis goes flaccid for no reason.
I was having sex with my soon to be wife and I received a Mueller and she broke up with me. She then proceeded to have sexual relations with my friend Salinas.
by Rafael salinas March 04, 2014
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The German word for "Dork" , but in the US of A it is usually used to describe a proper "Idiot".

Muellers often live in such redneck area's as Rural areas of Washington state or the Deep South.

They dress in white trash clothing such as checked shirts and allways wear baseball hats , they love to watch Dirt Track racing and their whole life is spent on a quest to actually design build a hobby sports car from that old Camero that has been laying dormant and rusty at the boneyard for the last 10 years.

They generally have atleast one of their front teeth missing and like to grow those funny beards under their botton lips.

If your a Mueller then there is a very good chance "That you really are your own Grandpa.!."

Red Neck , White Trash , Mueller
by James Furlong October 08, 2007
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A goof who sounds like kermit the frog and looks like the dude from Honey I shrunk the Kids. He starts off his today with a "Good Afternoon" and a fatty J. Also, he likes to use impossible algebra to solve his famous "50 equations and 50 unknowns" problems. Going to office hours makes you feel dumber and his lectures involve dropping psych books for 50 minutes. Also a big scrub.
Mueller is a scrub
by Buklau.DuHello November 01, 2010
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a terrible person with blonde hair that thinks she is better than everyone else but is secretly weird and sometimes a lesbian."
guy 1," so I was just chillin at the party and then mueller showed up."
guy 2, "That sucks. Shes hot but shes a complete bitch.
by domrel1 December 07, 2015
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