Meaning of overcertify

o•ver•cer•ti•fy

Pronunciation: (ō"vur-sûr'tu-fī"), [key]
— -fied, -fy•ing.
  1. to certify (a bank check) for an amount greater than the balance in the drawer's account.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.