Doucheapotamus
One who acts like he/she has more authority than has been bestowed to him/her. Often characterized as being loudmouthed, obnoxious, and having no friends. A compound of douchebag and hippopotamus.
Jimmy, you're such a doucheapotamus. No one likes you, go away.
doucheapotamus
Noun: a person who is such a douche that thier dochebaggery can only be surpassed by that of the douchewhale. See also Ashton
"god Max is such a doucheapotamus when asked an A or B question he answers with C."