maccas

Maccas is a German nickname for McDonalds. Sometimes also called McDoof which means "stupid maccas".

Early German tourists likely introduced it when they couldn't get a decent bratwurst in Australia and then brought the word back home when they told the story.

I'm hungry and there's no decent food around.
Was?
Let's get maccas.

double devious

When a story told is lead with a decent innuendo, goes on to be totally unsexy and finally reveals a naughty surprise.

Alex: Where might you hide your underwhear?
Alex: Ah yes, that's right, I'm afraid wearing it on your person is the least hygienic option since it will become dirty.
Alex: Oh I don't even wear any for that reason.
Dana: Such a double devious this story.