A van or vehicle that looks just like an ambulance
Passenger: You'd better pull over, an ambulance is trying to get past!

Driver: No way it's just a Resembulance.
by cheeky chaza October 19, 2011
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A car that resembles and ambulance, but isn't.
This is the term used when out and about and one sees a car that could have been, or looks like an ambulance.

There goes another resembulance.
by Captain Standley May 12, 2007
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