From Longman Dictionary of Contemporary Englishrattle up something phrasal verb British Englishif a sports player rattles up a number of points, they get that number of points very quickly The West Indies had rattled up 411 for 5 when rain stopped play. → rattle→ See Verb table
Examples from the Corpus
rattle up • Classy stand-off Frano Botica rattled up 20 points with a try and eight goals from ten attempts.• He rattled up three birdies on the final holes, to move into Palmer's shadow with a four under-par 67.