What the holy feck is a 'centralist?

Are you sure you don't mean Centrist? Or are you not that good at English?

Is Oxford in Engerland?Centralist organizations govern a country or organize things using one central group of people who control and instruct everyone else....a strong centralist state.A centralist is someone with centralist views

I'm an extreme moderate!

I'm a moderate Extremist.

A tyre fitter who is tired of politics.

Is it a dartist who aims for the bull?

a guy that needs to sit in the middle seat, is a Buddhist and only watches PG movies.

A big guy who stands at the centre urinal forcing everyone else to use the cubicles.

Is it someone who sits on the London Underground on the central line all day long and never getting off!

A non-combatant in de Engerlish Civil War...

It's one of those things that laboratory people put test tubes in, before it spins around very very quickly to separate all the crap from the good stuff.

it means somebody who has splinters in their bottom.