1 definition by pseudonyminum

Top Definition
An event celebrating the first day of "summer" in Houghton, MI. Bosch is called when the temperature hits 60 degrees fahrenheit by noon. Bosch is celebrated on the beach by skipping classes and getting way too drunk by dinnertime.
"Did you hear they called Bosch today?"

"No way! Why aren't we there already?"
by pseudonyminum April 02, 2010

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