1 definition by yinzerJag

The uncontrolled slowing down of vehicles upon entering Pittsburgh’s Squirrel Hill Tunnel. This phenomena is largely a result of the city’s fear of the Tunnel Monster.
Jim: “I swear I’m not braking, but my car has slowed at least 10 mph.”
Tim: “Don’t worry, you’re just sloasting.”
by yinzerJag June 9, 2020
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