This customer thought they were hearing a funny noise only when the vehicle was moving. Luckily they came in after hearing the noise since the source was the wheel bearings coming loose. Which in turn can cause severe wheel vibrations, including having the wheel come off the axle. Which many of us have seen vehicles on the side of the road missing the whole wheel and hub assembly. Here's some more info:
https://autorepairseattle.com/auto-repair-and-services/wheel-bearings
