1999, Vikram Seth, An Equal Music, Penguin Books, published 1999, →ISBN, page 221:
Helen, who is sitting just in front of her, stops playing, and turns to her. "Petra, I think we should cool it here." "But that is what I do," says Petra. "This is supposed to be cool. Ur-cool."
2003, Ramesh Kumar, Malaysia: Riches from the Golden Land, Springer, published 2003, →ISBN, page 81:
The pavements were turned into tree-lined, fountained boulevards; which boulevards are enlivened by jazz bands and lasers, lined by new cafes and bars, ur-cool by any standards; […]
His film, opening April 11, stars Tom Hiddleston and Tilda Swinton as Adam and Eve, an ur-cool bloodsucking couple whose love spans centuries and continents […]