Define Old Blue Meaning

Old World Blues
Being so wrapped up in nostalgia for the past that you can not see or be a part of the current or future world.

Joe-24: See how he sit in that rocking chair, staring at nothing even though the hypnotron is on?
Jeb-16: Leave old #3 alone, Joe. He's just thinking about when food didn't come in squeeze tubes.
J-24: Haha, food always came in squeeze tubes! ...didn't they?
J-16: ...dem Old World Blues.
By Bren
The Old Milwaukee Blues
adj - That particularly shitty feeling after a long night of drinking Old Milwaukee. Usually symptoms include a pounding headache and the beer shits.

"Hey, where the hell is Duff?"

"He won't be in for another couple hours, he's got a pretty bad case of the Old Milwaukee blues."
By Ethelind
Old Man Blue
That shade of light blue that you can find predominate in large luxury cars driven by old folgies. Very popular in the late 80s, early 90s.

Also shirts, pants, and other attire can be found in 'old man blue'

I can't believe you bought that car -- its old man blue!
By Maisey
Your Old Friend Blue
That friend who’s been in your life for an extended period of time that you can never remember

A: hey do you remember your old friend blue

E:no I don’t who is blue

A:dude they literally spent every day at your house
By Hyacinthe
Old Blue
A nickname for Ford Motor Company, or a reference to a Ford vehicle

Old Blue was the original car company
By Dolorita