(idiomatic) What makes you happy; what stimulates you.

(idiomatic) Do whatever makes you happy or stimulates you.

(politics) Adherence to the Two Whatevers: "We will resolutely uphold whatever policy decisions Chairman Mao made, and unswervingly follow whatever instructions Chairman Mao gave."

A proponent of whateverism.

plural of whateverist

(informal) Having a sexual orientation that is of no relevance, or which the speaker doesn't care about.

(informal) A person whose sexuality is of no relevance.

plural of whateversexual

plural of whateverism

(informal, rare) Alternative form of Whateverville