“Thong” can mean different things depending on the context. Most commonly, it refers to a type of underwear with a very narrow back, or to a sandal that has a strap between the toes.
People use the word in everyday conversation when talking about clothing, swimwear, or shoes. In some places, “thong” may also be used in other ways, but these two meanings are the most common in English.
Meaning & Usage
A thong is usually a piece of underwear designed to cover the front while leaving little or no coverage at the back. It is also a common word for flip-flop-style footwear with a toe strap. The meaning depends on what someone is talking about.
Examples
“She bought a black thong to wear under the dress.”
“I wore thongs to the beach because they were easy to slip on.”
Context / Common Use
In the US, “thong” often means underwear. In some other countries, especially Australia and New Zealand, people may use “thongs” to mean flip-flops. The context usually makes the meaning clear.
What does thong mean in underwear?
It means a style of underwear with a thin back and minimal coverage.
Does thong mean flip-flops?
Yes, in some countries, “thongs” means sandals or flip-flops with a strap between the toes.
Is thong a formal word?
No, it is a common everyday word used in casual conversation.