two of a kind
Very similar, typically in interests, dispositions, or beliefs. Those kids have the same wacky sense of humor—they're truly two of a kind. They're two of a kind, of course they're married!
two of a kind
Fig. people or things of the same type or that are similar in character, attitude, etc. Jack and Tom are two of a kind. They're both ambitious. The companies are two of a kind. They both pay their employees badly.
two of a kind
Very similar individuals or things, as in Patrice and John are two of a kind-they're true hiking enthusiasts. This idiom uses kind in the sense of "a class with common characteristics," a usage dating from about a.d. 1000.