From Longman Dictionary of Contemporary Englishlike anythinglike anythinginformal if you do something like anything, you do it a lot We all encouraged him like anything. → anything
Examples from the Corpus
like anything• Tom only left last week and I already miss him like anything.• They would probably worry like anything.• I mean, eight singles hardly seems like anything at all.• To intense, hardworking young Taylor, the practice could scarcely have seemed like anything but the most shameless sloth.• But like anything else worthy of our attention, it takes a little educating.• The interior is nothing like anything I've seen before.• Somewhat softened by wind erosion, the surface none the less looked more like the lunar highlands than like anything on Earth.• If it was like anything, thought Henry, it was probably like the art of eating out.• It may not be perfect, and it may not even be like anything we have seen before.