Old one - still good

Irish Gas Station

Taking a wee break from the golf course, Tiger Woods drives his new
Mercedes into an Irish gas station.

An attendant greets him in typical Irish manner, unaware who the golf pro is...

"Top o' the mornin to ya".

As Tiger gets out of the car, two tees fall out of his pocket.

"So what are those things, laddie?" asks the attendant.

"They're called tees," replies Tiger.

"And what would ya be usin 'em for, now?" inquires the Irishman.

"Well, they're for resting my balls on when I drive," replies Tiger.

"Aw, Jaysus, Mary an' Joseph!" exclaims the Irish attendant. "Those
fellas at Mercedes think of everything