"They are the biggest selling item in the history of my business," Mr. Tunick said.

In Britain the word was more specific to an individual selling small items of household goods from door to door.

'Our big patterned sweaters at £69.99 are our best selling item,' Billy said.

It became a fast selling item and after only one week it rose in the German music sales charts onto a number 3 position.

Bottled water is the one of the highest selling items - after cigarettes - in the stations' convenience stores.

Meanwhile, weaker selling items, such as corn muffins, were removed from the menu.

One of Doepke's best selling items was its steel crane, first manufactured in 1949.

The standard Kindle was the biggest selling item on Amazon's British website.

The report noted the best selling items are products that enhance sexual arousal, such as stimulus condoms, which constitute 21.5% of the market.

"Now it's our biggest selling item by a long stretch."