Definitions by #1CollegiateVehicleDynamacist

carlingus 

1. the corollary to road head road-head
2. The act of performing cunnilingus while the recipient is operating a motor vehicle.

I was in the midst of performing carlingus when my girlfriend drove the car straight into a pole.

carlingus by #1CollegiateVehicleDynamacist October 12, 2012