Adjective. Used to describe something that's over the top in terms of excitement; an exhilarating experience.
Origin: Archaic, dating back to the '50s. From Disneyland's old system of ticket-books. The A-D Tickets were for the okay rides. An E-Ticket was your ticket to the best rides, E-rides, ie. the Matterhorn, Pirates of the Caribbean, etc.
Jeez!!! Driving home with Jacob after the party was an E-ride.