The most common and most likely answer to this crossword clue is the 8 letter word MIDWIVES
I've seen this crossword clue in The Daily Telegraph
M
I
D
W
I
V
E
S
Buddy explains!
The straight part
We know that "They take you out on your birthday" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case they take you out on your birthday = midwives.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does MIDWIVES mean?
MIDWIVES noun- A person, usually a woman, who is trained to assist women in childbirth, but who is not a physician.
- Someone who assists in bringing about some result or project.
- To act as a midwife
- To facilitate the emergence of