whomperjawed UK /wɒm.pə(ɹ).d͡ʒɔːd/US /wɑm.pɚ.d͡ʒɔd/ adjective1 •(dialect, Southern-US) Askew, amiss; not fitting, moving or working properly.The pending bill as it stands presents another whomper-jawed, lopsided, cross-eyed picture. — 1942