A drummer with a gigantic, gigantic ego. This species is egocentric beyond all non-suspended belief. Nearly bad enough to be institutionalized, but not quite.

A deranged, poorly-planned attempt to seize power; particularly if an election does not turn out in your favor.

an octopus with 3.14 arms

A creep who touches as many girls he can get his hands on and seems to grow hands with the consumption of alcohol or when submerged in a hot tub.

An attempted pluralization of the word "octopus". "Octopus", however, does not pluralize as most other words ending in "-us" borrowed from Latin. The proper Latin plural of "octopus" is "octopodes" (pronounced in English "awk-t@-POE-deez"). Saying "octopodes", however, is like pronouncing the first "r" in "February"--something seldom done and appreciated, however greatly, by very few. Your best bet is just to stick with the good old English pluralization, "octopuses".

Someone who is a coward or pussy to an extreme degree (i.e. a pussy to the exponential power of 8)

It's an ocean fish with eight arms.