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Slang pronunciation of the city of Bethlehem, Pennsylvania, usually by those of the local Pennsylvania Dutch heritage.
Improper: "Yer takin' the Thruway to the Bethlum Expressway ta git downtown."

Proper: "You proceed along US 22, the Lehigh Valley Thruway to PA 378, the Bethlehem Expressway south to arrive at the city's center."

Improper: "Bethlum's ten-day 'Musikfest' is cummin' this weekend- two counties big."

Proper: "America's largest music festival, 'Musikfest', in Bethlehem, begins this coming weekend. It encompasses an area bordering two counties."
by LVThruwayRider August 31, 2012
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