No, I mean the spark plug hole. This was a way of getting over the hydrolock. We removed the sparkplug and cranked the prop. Fuel came spewing out of the sparkplug hole. When it was clear, we went ahead and reinstalled the plug and all was well.

I guess one sure way of testing for hydrolock is to spin the prop by hand (without glow plug battery) first to make sure the chamber isnt full of fuel.