He tried again to halt Debenham to take Wilson's point of order, but failed, and then snapped.
"Mr Debenham, are you deaf or just stupid?" Cull said, drawing loud gasps from the public gallery and others in the room.
It stopped Debenham in his tracks, temporarily, but then he continued - urging the council to suspend Cull's travel until rates came down, and suggesting Cull should apologise to ratepayers and consider resigning.
Cull interjected again, firstly to say he wanted to "apologise for implying you were stupid" and then ordering Debenham to end his "repetitious, disrespectful and offensive" presentation and leave.