Poetic Retort

Smartass, you say?
To be a smartass, one must first be smart.
Elsewise one is just an ass.
Be I wise or smart,
Dumb or jack,
Hat, face, or even hole,
I am never half.
Ass thou has named me,
And so ass shall I forever be.
And if thou is any representation,
Indeed, ’tis sorry company.