roadcone 

As a male, to receive fellatio while operation a motor vehicle.

Suzy unzipped Robert's pants furiously as he drove, and proceeded to give him a superb roadcone session.

roadcone by T-Platinum December 8, 2005

Roadcone 

A Roadcone is a penis shaped similar to a construction traffic cone. Narrow tip or head that widens to a girthy shaft base. It is the opposite of a bulbous penis.

When Joe dropped his pants, his new girlfriend was shocked by his Roadcone that stood before her.

Roadcone by Hiesenburg126 December 9, 2022

Boston Roadcone

when at a party and you wake up wiht a really sore butthole and didnt know what happen

Oh man why does my butthole hurt? You just got a Boston Roadcone!

Boston Roadcone by Eric Foley January 9, 2008

roadboner 

when you get a boner driving down the highway due to road vibrations. usually starts when thinking about sex coupled with big bump in road. can be quite annoying

i was driving my big rig and thinking about my one-night stand last night. now i got a hella roadboner

roadboner by matt August 22, 2004

road cone 

when one gives head to another, from the passenger seat, while the receiver is driving a vehicle

we was drivin down the I95 and this bitch gave me road cone....it was gooood....the bumpy road helped

road cone by dave November 11, 2003

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