some thing that was as easy ass taking a piss

(adj) Easy, not difficult. (Mainly British)

Easy task, something that is not hard.

A task that is considered easy. Generally this term is used in Australia.

A job or task which should require little or no physical exertion in order to complete.
(Mainly used by the trades when assuring the apprentice that the job is easy (it often isn't.))

something that you don't like, something that sucks, isn't fun & etc.

something that is as easy as taking a piss