Reject!!
"If the decision is to reject the takeoff, the captain must clearly announce "REJECT",...."
As per Boeing 747 QRH Non-normal Maneuvers. Not too sure what Airbus uses but "Reject" does say it all! Once the hand is off the thrust levers (at V1), we are committed and therefore do not call "GO" or "continue" unless the aircraft is in such a state where it has no hope of getting airborne!!