Streetname for the pharmaceutical psychostimulant Adderall, used to treat Attention Deficit Disorder. Referred to as Addecrack due to the intense stimulating effects of taking the drug in high dosage
A: Hey man you got that Addecrack? I got a final on Monday and i haven't studied all semester.

B: I got that Addecrack. Have fun staying up for three days.
by Shmedly0123 May 19, 2008
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