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1.
College slang for the ADHD medication and wonder study-drug, Adderall. Simply put, Adderall is speed. Its pharmacological makeup consists of a mixture of various amphetamine salts--namely, dextro-amphetamine and levo-amphetamine. It is NOT Methamphetamine. Pharma's version of Meth is called 'Desoxyn.'
"Hey man, you got any extra Addy around? I've got a killer mid-term to cram for on Tuesday, and a 12 page paper due on Wednesday."
by SebastianDrake April 04, 2006
 
2.
Hey, give me your email addy and I'll send you the times for the movie
by Bungalow Bill December 21, 2001
 
3.
1.Slang and short for adderal
Addy is twice as good as ridzy
by mxru June 21, 2005
 
4.
the adhd medicine, adderalls

the single best shit in the world if your broke but wanna feel like ur on coke
yo dude i scored some addys if you wanna stay up and draw pictures and write some shit tonight
by Hannabel February 10, 2009
 
5.
Addy is usually a nickname for the common girl name Addison. Addy is a great friend and will always be there for you. They are often shy but around her friends she will talk a lot. There is always at least one guy who will have a crush on her. Addy's are also a great girlfriend to have. They are usually very good looking. Once people get to know her they will never regret becoming friends with her.
"Hey who is that girl? She never talks!"

"That's Addy I'm her best friend and she never stops talking!"
by crazygurl5080 February 26, 2010
 
6.
Someone who you might meet swimming, or drinking copious amounts of vodka in a classy bar. Also has a penchant for strong ciders/other typical manly drinks.

Typical behaviors often include inappropriate comments, desire to burst into Glee cover songs that they "made better" and providing copious amounts of banter (including random, nonsensical shit). Has never untagged herself from a bad photo on Facebook, even if it's lost her a Christmas present from her deeply Christian relatives. An absolute laugh and a great person to spend time with
Man 1: Who's that girl over there

Man 2: She's called Addy. Really nice girl. Doesn't wear copious amounts of make up.

Man 1: She sounds like an honest girl

Man 2: Naah she's more of a true lad
by Oxfordlad November 20, 2012
 
7.
Sex God

An addy is a person who cracks out orgasms like pancakes; seriously good; this kind of person is rare.
"So?...Was he any good?"
"Are you kidding?! He was a total addy."
by Karmasutraexpert22 July 04, 2012