a rod for measuring the depth of a liquid; especially, a thin metal rod used to measure the oil level in the crankcase of an automotive engine.
Slang. fool; jerk.
Origin of dipstick
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a graduated rod or strip dipped into a container to indicate the fluid level
British slang a fool
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012