Wiktionary
come it
vb. 1 (context UK slang English) To pretend 2 (context UK slang English) To exaggerate 3 (context UK slang English) To be impudent 4 (context slang English) To succeed in a trick of any sort.
Usage examples of "come it".
He hopes that in its present form it will fall into the hands of an even wider public, and that in years to come it may continue to afford amusement to those who are still young enough at heart to love a story of treasure, war, and wild adventure.