freewheel (Noun) — A clutch (as on the rear wheel of a bicycle) that allows wheels to turn freely (as in coasting).
freewheel (Verb) — Live unhurriedly, irresponsibly, or freely. ex. "My son freewheeled around for years in California before going to law school"
freewheel (Verb) — Coast in a vehicle using the freewheel.