"Do you sell cotton balls?"
"Do you sell cotton balls. You know...uh...cotton balls?"
This was followed by a jumble of disconnected words and hand gestures as the customer tried in vain to define cotton ball...without saying "balls of cotton".
By the way, the answer...eventually...was no.
Oh yes...the guy sitting behing my at the gate has now called five people telling them that he made it to the gate. Fantastic.