Flying without a liscense
Diplomatic way of telling a man that he has neglected to zip up his trousers.
Head waiter: 'Apologetic cough, Excuse me sir do you know that you are flying without a license,
<Thought bubble> ... and that the sight of your scabby dick is upsetting our customers.
<Thought bubble> ... and that the sight of your scabby dick is upsetting our customers.