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If it clicked off, there may have been gas that splashed back against the nozzle.

It does have a drain for it to go under the car.

For your comfort, get a bottle of water, and with the gas cap still firmly in place, pour the water into the plastic pocket around the gas cap.

Note how the water drains and see if this matches what you saw. Do not use a gallon of water, but maybe a couple ~6oz or less, as not much more than that should have splashed.

If there is a leak in your fuel tank, it will illuminate your Service Engine Soon lamp as part of the evap sysyems check.
 
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