A minor railway station at which a train would stop if requested(noun)
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Use "whistlestop" in a sentence
"Paul, quirky as ever, taking a two-day break at home in Texas while others slogged it out on the campaign trail, returned to action on Monday, attracting hundreds to what he described as a whistlestop event in the centre of Des Moines."
"Paul and his son, senator Rand Paul, are on what his campaign describe as a 'whistlestop' tour."
"And as part of our "whistlestop" tour, we met two masters who, before demonstrating their skills, performed a sort of national anthem on castanets and drum."