look up any word, like dirty sanchez:
 
3.
a tablet of dextroamphetamine, a stimulant drug (from Dexedrine, the brand under which it was marketed)
Dexies have a high potential for abuse. (example of dexie)
by The Return of Light Joker November 22, 2010
 
1.
Short for Dextroamphetamine (Trademark name 'Dexedrine' and 'DextroStat'), the d-isomer of amphetamine, which is twice as strong as racemic amphetamine and l-amphetamine (as found in Adderall). A CNS stimulant used in the treatment of ADHD and narcolepsy. Used recreationally in high doses as a potent stimulant.
Yelena was so spun on dexies, she danced for 6 hours straight before she crashed violently into a languid stupor.
by Albert Miaskovsky January 30, 2006
 
2.
Similar to speed(drug) see "Requium for a dream" for more info
She took two dexies to stay energised
by Gillian November 30, 2004
 
4.
A girl with a weird name but is super pretty and awesome
Girl: I wanna be like Dexie! She is absolutely perf
Boy: Damn she is so beautiful! wow!
by Bleh bleh January 22, 2014