upblow verb3 •(no longer used) To blow in an upward direction.The helmsman steerd, the ship mov’d on; Yet never a breeze up-blew — 1798 •(no longer used) To explode, blow up.Ingyniers in the trench earth, earth uprearing, Gun-powder in the mynes, Pagans upblowing. — 1666 •(no longer used) To inflate.[…] the pacyent hath heuynes and vpblowynge in the syde […] — 1525 formsupblew · upblown · upblowing · upblows