You would bow your despicable head before any ruthless and insipid megalomaniac.
From the forbes.com
The unhinged megalomaniac needs to be removed, before he destabilises the world.
From the economist.com
It also has the advantage of not being dominated by a single megalomaniac figure.
From the economist.com
Mr. Cameron you are an evil, lying Self opinionated, egotistical, megalomaniac.
From the guardian.co.uk
Where there was one megalomaniac in power, there is now a myriad of power-brokers.
From the economist.com
The history of Europe is that megalomaniac rulers ruined the life of their people.
From the economist.com
Thaksin is a megalomaniac, when he comes back to Thailand it will get Ugly quickly.
From the economist.com
It will probably be written with a hostile narrative painting him as a megalomaniac.
From the guardian.co.uk
Mr. Soros is ultimately an amoral megalomaniac who is detached from reality.
From the washingtontimes.com
More examples
A pathological egotist
(megalomaniacal) suffering from megalomania
(megalomania) a psychological state characterized by delusions of grandeur
"Megalomaniac" is a song by American alternative rock band Incubus, from their 2004 album A Crow Left of the Murder... It was released as a single in December of 2003, and eventually reached the top of Billboard's Modern Rock Tracks, where it stayed for a six-week period.
"Megalomaniac" is a song by industrial rock band KMFDM from the album commonly referred to as Symbols. It was released in various forms in late 1997 and early 1998. A 7" vinyl version was released in 2009.
(Megalomania (Enslavement of Beauty album)) Megalomania is the second album released by Norwegian black metal band Enslavement of Beauty in 2001. The song "And to Temptation's Darkness Forever Abide" was added to the expanded version, where the track order also is different. ...
(Megalomania (song)) Origin of Symmetry is the second studio album by English alternative rock band Muse, released on 17 July 2001 by Mushroom Records. ...
(megalomania) A paranoid delusion of grandeur in which an individual believes that he or she is an important person or is carrying out great plans.
(megalomania) false feeling of being great or powerful