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An Upper class enclave outside of Philadelphia. This elite neighborhood was the setting for the classic Hepburn/Grant/Stewart film "The Philadelphia Story," and smacks of Boodles Martinis and freshly pressed schoolboy blazers. The diversity on the Main Line goes just about as far as what model BMW one gets for their 16th birthday, and old money maintains huge mansions and sprawling estates. Quite a few celebrities who have opted out of the Beverly Hills lifestyle now call the Main Line home. The Main Line contains a disproportionate amount of upscale shopping, but is still absolutely breathtaking in its grandiosity and stone beauty.
I live on the Main Line and am super-rich because my Daddy owns starbucks, which is why I can buy all my clothes at Saks!
Main Line by pr1ncesskewl January 30, 2005

manliner 

ew check out how much manliner pete wentz is wearing! whoever told him that was ok was setting him up for mockery
manliner by Da Beeve January 21, 2009

manliness 

1. The quality of being manly and masculine.
2. Also a slang term for the size of a man's genitals. In particular, it means that the bigger your privates are, the more "manly" you are.
Damn, Mark ALMOST won the heart of that hottiemonjaro girl at the club! Even though he impressed her with his manliness (having won a few barfights, showing off a few signature moves, his looks, and his muscles), he really did NOT impress her when he dropped his pants, revealing his small excuse for manliness!

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Mark H. Showing off my manliness at posting new slang defs at UrbanDictionary since February 2004.
manliness by Mark H November 11, 2005

Main line class of 2016

This grade if by far they most messed up class i have ever seen. All of the girls are whores or act like whore. Most of the boys will grab the girls tits and ass without even knowing them. The schools include. Radnor, Welsh vally, Haverford, Baldwin, Episcopal, Ais. All of these schools have sort of come togeather in this one grade to become some super orgy sex party all the time. From blow jobs to drugs and sexting scandals and the boys being OBSESSED with lacrosse. Belive me I am in this grade I know what goes on.
At At the dance. Boy walks up to girl grind on her he hooks up with her them after the dance she sucks his dick.
Typical in the Main line class of 2016
Technichally the Main Line is a raliroad that runs from Philadelphia to the suburbs surrounding it including Bryn Mawr, Gladwyne, and Haverford.

The Main Line has always been full of WASPs and old money who belong to Merion Cricket and send their kids to expensive private schools. Recently the area has become infested with Juicy wearing, gum chewing, hair flipping J.A.P.s.

On each corner is a Starbucks filled with obnoxious people buying their 5 dollar coffee. On every road is a mercedes with an old blonde women tlaking on her cell and sparkling her large diamond rings in the sun.

The houses are massive and are cleaned buy cleaningladies adn the few "butlers". Each garage is filled with luxury cars.

The Main Line is a fun place to be if you fit in and have money. If you have you'll fit in. There is not much to it. If you overthink it you'll never get it.

The Main Line is the best place on earth. If you are

a)Jappy
b)preppy
c)a WASP
d)are rich
e)enjoy golfing, playing tennis, and dining at fancy resteraunt and exclusive country clubs.
f)enjoy spending time laughing at obnoxious people who think that everyone is looking at them
I live on the Main Line and love it because i am rich, jappy, enjoy laughing at obnoxious people, and like playing tennis and eating lunch at my country club.
Main Line by JAP May 28, 2004
An over the top affluent area in the suburbs of Philadelphia. It is now known as one of the most richest areas in the country.Many of the homes here are mega mansions or sprawling estates.Most of the people here shop at the King of Prussia mall and drive BMWs, Mercedes,Range Rovers,etc.The soap operas One Life to Live and All My Children are made representing this area and also the best selling books Pretty Little Liars and another book Main Liners a Legacy of Deceit.Many people here also own multi million dollar beach homes in Avalon New Jersey or Stone Harbor.Women here are usally seen dressed like fashion models and dripping in diamonds.The schools are among the best and the teens get to drive any car they want their parents to buy for them. There is so much money here you would think the people are printing it themselves.Move over Beverly Hills,Greenwich,Palm Beach,etc the Main Line is the new place to be!
Lets go cruising around the Main Line and look at some of the jawdropping mansions.
Main Line by JR3 May 9, 2010