Many have experienced it in a Jeep. Although it's more common on lifted Jeeps, it can happen on any coil sprung solid axle setup.

Death Wobble - a quick (4–10 Hz) oscillation of primarily just the steerable wheel(s) of a vehicle. Initially, the rest of the vehicle remains mostly unaffected, until translated into a vehicle yaw oscillation of increasing amplitude producing loss of control.
Coil-sprung vehicles with a track bar setup such as the Jeep WJ, XJ, ZJ, TJ, and JK with both stock and after-market suspension lifts often have this problem.
This video outlines (in my opinion) the best first step to solving death wobble.

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TheALOwens (author) 12 months ago
Cowstick- video is embedded from YouTube. Should work unless YT is blocked...
cowstick12 months ago
There is no video to be seen.
pfred2 cowstick12 months ago

It works here.