Definitions
There are 2 meanings of the phrase
Dog Tag.
Dog Tag - as a noun
Military identification tag worn on a chain around the neck
Metal plate on a dog collar bearing its registration number
Example Sentences
"He showed me his dog tag, which had his name and phone number engraved on it."
"The soldier lost his dog tag during the battle and couldn't be identified."
"I bought a personalized dog tag for my pet with his name and my contact information."
"Her necklace had a dog tag pendant that had a special meaning to her."
"The dog tag jingled as the dog happily wagged its tail."