Ok, I done some searching and this is what I found as far as any car shows/cruises in Ocean City MD near/on Columbus Day. Hopefully this is the one he was talking about.
Thursday 10/9/08 - Sunday 10/12/08
11th Annual Endless Summer Cruisin’
Inlet Parking Lot
Hot rod car show features more than 1,500 customs, muscle cars, classics & more. Live entertainment, vendor midway, boardwalk parades & special attractions. Admission. Thurs.-Sat., 9 a.m. -5 p.m.; Sun., 9 a.m.- 3 p.m. Jack Hennen, 410-798-6304.
For info about other events in OC MD click here and then just look down the listing:
http://www.oceancity.md/calendar/