ABACADABA Share definition Flag Desperate means used when you have not studied for a test. On a scantron, you pull the ol' "ABACADABA" and fill in those letters accordingly in hopes of passing the exam. man 1: How do you think you did on the exam? man 2: I didn't study, I pulled the ol' ABACADABA. ABACADABA by ashamalee February 28, 2005 0 0 Get merch Get the ABACADABA mug. Buy Now — $32.95 See more merch