- A person’s daughter (used in electronic communication): my DD is having three girls sleep over for her sixth birthdayMore example sentences
- Last Tuesday DD had to take the day off school - her cough was awful and she had no sleep the night before.
- My DD is nearly 7 weeks old and won't take any milk from a bottle.
- My DD has been acting out at school and I am at my wit's end.
1990s: abbreviation of darling daughter or dear daughter.