A
contraction of "fucking" and "
expensive" used to denote anything so insanely pricey, usually as to be out of someone's reach. For someone living on a shoestring budget, a brand new Lexus is fuckspensive. For someone just capable of purchasing and paying for a brand new Lexus, a multi-engine light sport aircraft may be considered fuckspensive.
Similar to fucktard,
fucktastrophe, fucktastic.