bump up
 v. phr.— «He lauded the five killed in the Esperanza Fire as among the most trusted and urged their loved ones to “bump up,” a common firefighting term meaning “move forward.”» —“Firefighters pay tribute to 5 ‘brothers’” by Stacia Glenn in Devore San Bernardino County Sun (California) Nov. 6, 2006. (source: Double-Tongued Dictionary)

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