pipi / pippy [ˈpɪpi:]
pipi – n. – an edible bivalve mollusc, Paphies australis, found in New Zealand or ones resembling it
Do Not Confuse With pipi [pi:pi:] the astringent seed pod of, Caesalpinia paipai, sometimes used for tanning or making ink
pippy – adj. – 1. irritable; 2. annoyed; 3. depressed