The idiom "grease monkey" is used to refer to a person who works with machines, especially cars, and is skilled in repairing and maintaining them. It is a slang term that is often used in a friendly or humorous way to describe someone who is a mechanic or works in an automotive repair shop.
The term "grease" refers to the lubricating oil that is used in machines, and "monkey" is used to describe someone who is skilled in working with their hands, like a monkey swinging from branch to branch. So, a "grease monkey" is someone who works with their hands and gets dirty while repairing machines, especially cars.
You can use this idiom when you want to describe someone who is good at fixing cars or other machines. For example, if you have a problem with your car and you take it to a mechanic who fixes it quickly and efficiently, you might say, "That guy is a real grease monkey. He fixed my car in no time!"
Overall, the term "grease monkey" is a casual and informal way to describe someone who is skilled in working with machines, especially cars, and is not considered offensive.
• I was impressed by the grease monkey's ability to diagnose and repair the issue with my vehicle; he was a true expert.
• I don't know anything about cars, but my friend is a grease monkey and he helped me change my oil.
• My uncle is a grease monkey; he fixes cars.
• The grease monkey at the garage fixed my car in no time; he really knows his way around an engine.
• The grease monkey's meticulous attention to detail and vast knowledge of car maintenance made him the go-to expert in the garage.
• Despite his rough exterior, the grease monkey was a skilled technician with a deep understanding of auto mechanics.