if it's coming from the front wheel, the first thing I'd check is the headset.
Clamp on the front brake, push the bike so that the back wheel raises off the ground. If you feel a clunk, or play, you need to adjust your headset.
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You could fall off a cliff and die.
You could get lost and die.
You could hit a tree and die.
OR YOU COULD STAY HOME AND FALL OFF THE COUCH AND DIE.