Why don't you watch out!

[hirashin]

Do you ever say "Why don't you watch out!" or "Why not watch out!"?

Would either of them sound unnatural?

Hirashin

 

[OoTmaster]

They both sound a bit odd to me. Usually I say something like "Why don't you watch where you are going?" but that's normally if someone runs into something or into me. Context might help me see if it's natural for the situation.

 

[hirashin]

Thanks, OoTmaster.