thrash
v.— «British soldiers were ordered by their commanding officer to “thrash” Iraqi civilians rounded up in an anti-looting operation, a court martial in Germany was told yesterday. In military slang, thrash means strenuous physical exercise or putting someone through their paces.» —“Soldiers had order to ‘thrash,’ trial told” by Audrey Gillan in Osnabruck, Germany Guardian (U.K.) Jan. 26, 2005. (source: Double-Tongued Dictionary)