road conning 

the strategical placement of cones on a road where cars are bound to hit them.

I coned that cadillac on 14 mile last weekend.

road conning by Evan April 23, 2004

Roadconeing 

(v)-Hitting stuff(mainly The Mailbox) with road cones. Usually done while hanging out of a car window.

"We went roadconeing last night"

Roadconeing by Roberto_Benigni February 18, 2004