WEBcop uk / kɒp/ us / kɑːp/ verb UK slang. to arrest someone for a crime: He was copped for driving without a licence last week. 上星期他因无证驾驶被拘捕。. nick uk / nɪk/ us / nɪk/ verb UK slang. If the police nick someone, they catch them for committing a crime. They nicked him for driving at 70 in a 50 speed limit area.