Oath

[Sarah]

An appeal (in verification of a statement made) to a superiorsanction, in such a form as exposes the party making the appeal to anindictment for perjury if the statement be false.

[Sarah]

Used in Australian slang in conjuction with a swear word to make an exclaiment of agreement as such.

[Sarah]

It basically means same!

[Oralee]

Typically used by [Australians] when agreeing to [a friend] or a [loved] one