head, to one's
to one's face, frankly, openly
MA V.i.62 [Leonato to Claudio] Know, Claudio, to thy head, / Thou hast so wronged mine innocent child
MM IV.iii.141 [disguised Duke to Isabella, of Friar Peter] he shall ... to the head of Angelo / Accuse him home and home
MND I.i.106 [Lysander to Theseus] Demetrius - I'll avouch it to his head - / Made love to ... Helena