(slang) Fucked up (or, bowdlerized, fouled up) beyond all recognition (or beyond all repair, or beyond all reason, or beyond any recovery).

Alternative form of FUBAR

Alternative form of foobar

Very fucked up to the extent that repair is impossible.

(petrology, colloquial) a rock that has been brecciated, metamorphosed, or otherwise transformed to the point where its origin cannot be recognized