From Longman Dictionary of Contemporary Englishbe in for somethingbe in for somethingUNPLEASANTif someone is in for something unpleasant, it is going to happen to them I’m afraid he’s in for a bit of a disappointment. → in
Examples from the Corpus
be in for something• Chuck Levy, meanwhile, was in for 40 offensive plays and made the most of them.• She's in for a surprise if she thinks we're going to help her pay for it.• Did he have any idea what he was in for?• You guys are in for a long, losing haul down there.• But Rhee and Yun were in for a surprise.• On the other hand if you've important business or vital meetings to attend you will be in for a tough time.• If the meticulous and demanding rescue work succeeds, birdwatchers using the hide will be in for a treat.• Whatever you picked, you were in for it.• He was in for pneumonia, he told me. 