To be in your "birthday suit" means to be completely naked, without any clothing on. The phrase playfully refers to the idea that one is as bare as they were at birth. It's often used in a humorous context to describe the state of undress.
You get your birthday suit instantly when your born (skin) So your only in your birthday suit when your Naked. (shirt and all). (You got your skin on the day your born)
Samuel Doe was born on May 6, 1951.
John Doe was born on February 25, 1954.
John Doe was born on February 25, 1954.
A birthday suit is what you were wearing when you were born - you are naked.
It's called your birthday suit because when you're born, you're born naked. Your "birthday suit" is your skin.
Ernie K-Doe was born on February 22, 1936.
His Birthday Suit - 1930 was released on: USA: 9 March 1930
The cast of His Birthday Suit - 1930 includes: Cliff Bragdon Carl Herman
their birthday suit
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nothing but their birthday suit