in your birthday suit

birthday | American Dictionary

birthday
noun[ C ]
us/ˈbɜrθˌdeɪ/
the day that is an exact year or number of years after a person was born:
Today is my mother’s 49th birthday.

Examples of birthday

birthday
This is all very painful as we approach electroacoustic music's fiftieth birthday.
This lasted from shortly after his ®rst birthday until his second birthday.
Data were collected as soon as possible after the participant's birthday.
That individual must be between 18 and 64 years of age and should be the person who last celebrated a birthday.
The delinquents were defined by recorded findings of guilt or official cautions for indictable or non-indictable offences up to the 21st birthday.
The 1999 cash-allowance item excludes holiday and birthday gifts, and the 1995 item has no exclusions.
An initial story about a birthday party, not included in coding or analyses, was used to familiarize the child with the procedure.
In particular, the questionnaire comprised 18 items regarding potentially stressful life events occurring since the study child's fifth birthday.
This is your second birthday in absentia (addressing a dead relative).
Figures 2 and 3 set out the probabilities of dying between the first and the fifth birthday and the ratio between q !
A further 30 persons were identified as having attended the birthday party ; none had developed symptoms subsequently.
A large panel of ' ordinary people ' was asked to write about ' growing older ' in 1992 and about ' birthdays ' in 2002.
Proponents of the dominant theories have been notably quiet about what happens in development after the child's fifth birthday.
Born in 1909, his academic career led to honorary degrees and special events, such as this festschrift for his 80th birthday.
The patient now approaches his second birthday entirely well and unrestricted in his exercise capacity, without anticoagulation or cardiac medication.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocations withbirthday

birthday

These are words often used in combination with birthday.

Click on a collocation to see more examples of it.

birthday cake
It is not said here there was a birthdaycake because it is clear for everybody.
birthday card
It's only a birthdaycard!
From
Wikipedia