2. a slang term for a person who is dumb
3. used as a substitute for "dipshit" whenever that particular word would be deemed inappropriate.
2. John is a total dipstick, he can't even tie his own shoes.
3. I got ripped off by that dipstick who fixed my stove.
2) A derogatory term used to describe a person.
-That guy's a freaking dipstick!