From Longman Dictionary of Contemporary Englishdickdick1 /dɪk/ noun [countable] 1 informal not politeHBH a penis2 spoken not politeSTUPID/NOT INTELLIGENT an offensive word for a stupid annoying person, especially a manHe’s acting like a complete dick.3 BOSC American English old-fashioned a private detective → clever dick at clever(6), → spotted dick
Examples from the Corpus
dick• Chuck's acting like a complete dick.dickdick2 verb → dick somebody around→ See Verb tableOrigin dick1 1. (1800-1900) From the male name Dick2. (1900-2000) Perhaps from detective 