Lice-infested. From Latin pediculus (louse).
Yellow-toothed. From Greek xanthos (yellow) and odont- (a combining form for tooth).
Gasbag. From Latin ructus (belch) and abundus (abundant).
Thoroughly wicked, villainous. From Latin flagitium (shameful act).
Worthless, consisting of trash. From Latin quisquiliae (waste matter, rubbish).
Fork-tongued. From Latin fissus (split) and lingua (tongue).
Busybody, gossip-monger. From Latin quid nunc? (what now?).
Brainless. From Latin ex (out, without) and cerebrum (brain).
Flaky, dandruff-covered. From Latin furfur (bran, chaff).
Bug-eyed. From Greek ex (out) and ophthalmos (eye).
A learned fool. From Greek moros (stupid) and sophos (wise).