Tes"ty (?), a. [Compar. Testier (?); superl. Testiest.] [OF. testu obstinate, headstrong, F. tetu, fr. OF. teste the head, F. tete. See Test a cupel.]
Fretful; peevish; petulant; easily irritated.
Must I observe you? must I stand and crouch
Under your testy humor?
I was displeased with myself; I was testy.
© Webster 1913.