A doe is a female of several species including deer, antelope, goat, and rabbits.
I think that it means that someone is dumb.
This generally means Depending On Experience. Employers will generally pay more if you have greater or more relevant experience for a particular role.
I can only imagine that it is "oh no" said when your nose is stopped up.
Be the one who attact rather than the one who is attacked. Be the one to ACT rather than the one who REACTS. Score points instead of trying to keep others from scoring on you.