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Pronounced Five-Oh-Five. The thing which is simultaneously keeping you alive and killing you, often used to describe a person who you're in love with (but who may be bad for you).
I knew he was bad for me but I kept coming back... I needed him. He was my 505.
by dreamdreamdream May 07, 2015
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The thing with is simultaneously keeping you alive and killing you, often used to describe a person who you're in love with, but, may be bad for you.

or

Room 505 is a metaphor for a place where everything was fine in their relationship, and the person in the relationship wants to go back there because now its killing them that everything is falling apart.
'I'm going back to 505, if its a seven hour flight or a forty-five minute drive. In my imagination you're waiting lying on your side,

-Alex Turner, of Artic Monkeys
via giphy
by peaćhykeen April 30, 2019
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Black people. Its the GM Paint code for Black.
Cop 1: We got ourselves a couple 505's trying to break in a gas 'n go.

Cop 2: There's something you don't see everyday...
by Orion370 November 20, 2008
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5
Meeting up with buddies right after work for drinks, usually down at the local bar.
hey, it's friday, lets do a 505 today
by flyingtattoolady October 25, 2006
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