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.