From Longman Dictionary of Contemporary Englishdipstickdip‧stick /ˈdɪpˌstɪk/ noun [countable] 1 TTCTMa stick for measuring the amount of liquid in a container, especially the amount of oil in a car’s engine2 spokenSTUPID/NOT INTELLIGENT a stupid person
Examples from the Corpus
dipstick• With the engine still running, remove the dipstick again. 