Some funny birthday captions for your sister can include puns, jokes, and playful teasing. For example, “Another year older, but still not as cool as me. Happy Birthday, sis!” or “Happy Birthday to my favorite pain in the neck. Love you, sis!”
Some funny birthday captions for your sister can include puns, jokes, and playful teasing. For example, “Another year older, but still not as cool as me. Happy Birthday, sis!” or “Happy Birthday to my favorite pain in the neck. Love you, sis!”