an ancient Numidian town in northwestern Africa adjoining present-day Annaba in northeastern Algeria
"Archaeologists believe they have finally uncovered the ruins of Hippo, the ancient Numidian town that once stood near what is now Annaba."
massive thick-skinned herbivorous animal living in or around rivers of tropical Africa
"The tourists held their breath as a hippo slowly emerged from the murky waters of the river to graze on the reeds along the bank."
Clipping of hippopotamus.
"The CEO leaned over and whispered that he didn't want to mention the hippo during the earnings call, even though his boss was the only one who could sway the board."
Initialism of highest-paid person's opinion.