combined word of 'hippopotamus' and 'hypocrite.' Short version of 'hypocrite.' Meaning a person who feigns some desirable or publicly approvedattitude.
A shortening of hypocrite meant to use as a descriptive noun for an individual who acts contrary to their publicized beliefs.
"You remember that park ranger that spoke at our Earth Day assembly yesterday? Well, my Mom saw him out in the woods talking obnoxiously loud on his cell phone and leaving beer bottles all over the forest floor! What a hyppo!"
After hearing another coworker blabbering on about everyone else's screwups causing them grief one turned to the other and said, " Will you please shut the fuck up already, you friggin hippocritic dumbass."
Somone or something be violently stepped upon by heavy persons or creatures is called the hippo stomp. This is especially true when done with vigor and malice.