Slang term for Adderall, a prescription amphetamine sometimes used by students to enhance study skills, also called vitamin A.
"Thanks for the A Plus, man! I wouldn't have passed my mid-term without it."
by Winston Zedimore December 08, 2004
What smart ass kids get because they have no life so they study all the time.
The nerdy girl got an A plus on her test.
by The Trasy Trio November 30, 2005