something that is "fucking ancient" is something insanely cool.
Wow! Look at that girl's outfit. That's so fucking ancient.
1)The group name give to Comedian Adam Buxton and Chat Show Host Jonathan Ross by Actor Richard Ayoade in a rant on the second episode of The Big Fat Quiz of Everything 2016
2) Disrespectful name given to any group of older people. Also Ancient Fuckers
Person One: Why are you so late?
Person Two: It took me forever to get off the bus. I was stuck behind a couple of ancient fucks.