Whistle Stop Café’s Special:Whistle Dog What is a Whistle Dog? Glad you asked! They take a hoagie bun & first put some of their famous Hobo Chili in the bun. Then they grill a Quarter Pound All Beef Hot Dog, Wrapped it in bacon and put it on the hoagie bun. THEN they top it with more hobo chili, mustard, onions & cheese and you now have the best “Chili Dog” around! A Whistle Dog! All for just $5.50.