In your birthday suit
phrase
Wearing no clothes, completely naked.
He walked around the house all day in his birthday suit.
Often appears as...
- bathing in your birthday suit
- caught in your birthday suit
Usage tips
Informal
Idiomatic
Definition 1 of 1
Pro Tip 1/3Informal Expression
This phrase is casual and might be inappropriate in formal contexts like job interviews or official documents.
Don't say someone is in their birthday suit at a formal event; it's too casual.
Pro Tip 2/3Humorous Tone
The phrase often carries a light-hearted or humorous connotation when noting someone's nudity.
At the beach, he joked about swimming in his birthday suit.
Pro Tip 3/3Not Literal
'Birthday suit' doesn't mean an actual suit; it's a playful way to say naked.
Imagine forgetting your swimsuit and having to go in your birthday suit!
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