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1.
1. A slang term for dexadrine, a medication for people with ADD/ADHD.

2. Another way of saying 'sexy'. Originated as a typo by a person who would like to be credited as 'Qpit'.
1. I have ADHD, so I take dexy every day.

2. Gerard Way is so dexy.
by Rebecca Lyall April 15, 2005
 
2.
common term for Dextroamphetamine, such as the active ingredient in Dexedrine. A smoother meth, for kids with ADD!
Man, i just took some dexies, now im tweakin out! At least i can concentrate on boring stuff though. sw00t!
by Docta Zoidborg August 17, 2011
 
3.
dexadrine; a methamphetamine prescribed for people with ADD / ADHD.
can eat the capsuls or open up, crush the beads, and rail the powder.
i ate five dexy's last night and i was wired for hours.
if i eat dexy's, i can drink alcohol like a fish.
by trina March 19, 2004
 
4.
To do a dexy - scarper, leave early.
From Dexy's Midnight Runners...
Where's Jack I haven't seen him since lunch?
His bird rang and he did a dexy...
by Lulu Bell November 29, 2004
 
5.
adj.

Derived from the HBO series "Dexter", Dexy describes a person who is sexy, mysterious, and has potentially homicidal tendencies.
She's got a really dexy stare.
by Daniel Mohammed October 09, 2008
 
6.
Its dead and sexy combined
That bitch is dexy dogg
by White Chocolate December 11, 2004
 
7.
abbreviation of dextrous
"a very dexy person" someone who is very dextrous
by D Mohun February 16, 2004