1.  Oldies: This term is a colloquial way to refer to parents or grandparents. It is often used by younger generations to affectionately refer to their older relatives.

2. Relos: Short for "relatives", this term is used to describe any family member. It is often used in a more general sense, to refer to a wider circle of family members.

3. Cuz: Short for "cousin", this term is used to refer to a family member who is the child of an aunt or uncle. It is often used as a term of endearment.

4. Sis/Bro: Short for "sister" or "brother", these terms are often used between siblings or close family members. They are generally considered informal and affectionate.

5. Aunty/Uncle: These terms are used to refer to aunts and uncles, as well as older family friends who are like aunties and uncles. They are often used as a sign of respect and affection.

6. Nanna/Pop: These terms are used as terms of endearment for grandparents, particularly grandmothers and grandfathers.

7. Bub: This term is used as a term of endearment for a young family member, like a younger brother or sister, or a cousin. It is often used by older family members to refer to younger ones.

8. Fella: This term is used to refer to a male family member, like a brother or cousin. It is a colloquial term that is often used in informal situations.

9. Missus/Old Man: These terms are used to refer to a spouse or partner. They are often used in casual situations and are considered familiar and informal.

10. Brat: This term is often used affectionately to refer to a younger sibling or cousin. It is often used in a playful manner, and is not intended to be insulting.

11. Gramps/Granny: These terms are used as terms of endearment for grandparents, particularly grandfathers and grandmothers. They are often used by younger family members to show respect and affection for their older relatives.

12. Neph/Niece: These terms are shortened versions of "nephew" and "niece". They are often used by older family members to refer to their younger relatives, particularly when they are close.

13. Godfather/Godmother: These terms are used to refer to the designated guardians of a child in case of the parents' death or inability to care for them. The term "godparent" is also commonly used.

14. Second cousin once removed: This term refers to a family member who is the child of a cousin once removed. It is often shortened to "second cousin" or "removed cousin".

15. Kin: This term is a general term for relatives, and is often used when referring to extended family members or distant relatives.

16. Stepbro/Stepsis: Short for "stepbrother" and "stepsister", these terms are used to refer to siblings who are related through a step-parent.

17. In-laws: This term is used to refer to the family members of one's spouse or partner. It includes relatives such as parents-in-law, brothers-in-law, and sisters-in-law.

19. Twin: This term refers to a sibling who is a twin. It is often used as a way to distinguish between twins and their other siblings.

19. Sprog: This term is a term of endearment for a child, particularly a young one. It is often used by parents or older family members.

19. Moo: This term is a colloquial way to refer to a mother. It is similar to the more common terms "mum" or "mom", but is considered more informal.