speed bearing rollerblade
type) that "hitches" a ride from a motor vehicle, often in traffic, by skating parallel to the vehicle and catching hold of it (usually by the rear fender, fin, bumper, etc.), hence the term skitcher, a "skater" who "hitches" a ride!
This is a very dangerous maneuver and should only be attempted by a seasoned expert skater - it is also illegal to perform on a public thoroughfare and a skater skitching
in traffic could be ticketed and fined if observed by an officer of the law.
I turned the corner and saw that the skitcher had switched from the garbage truck to a faster moving delivery van as it quickly threaded through the midtown traffic, and then they were gone - he was skitching his way back uptown!