Gone for milk

Usually associated with your father, as it is his favourite catchphrase

Your dad: I'm going for milk
You:ok
He never came back
This is an instance of gone for milk

Cloud gone

When you are too tired to think of a response~

Yooo dude sorry ion know how to answer i’m so cloud gone

it’s all good bro samee

it's gone zombie

when something has gone beyond viral

particularly for someone you dislike

"did you see Lucy's new post?"
"no, why?"
"oh shit dude. it's gone zombie"

froggy gone a courtin'

A guy with no neck, usually a frat boy type.

What about Jason?

He's a little froggy gone a courtin' for my taste.

gone lore

Old school in the extreme.

That dude done gone lore.

Gone lore

Old school. Typically the oldest school.

Oh wow, waiting for a child to last a year or so for a naming party is so gone lore.
Yeah, becoming a Norse god because you like lighting is so gone lore.

gone off cheese

When cheese is in the fridge too long and it goes moldy.

The gone off cheese smells like farts.