* Formal: "The antique dealer assured me the vase was pukka, a genuine Ming Dynasty piece."
* Informal: "We had a pukka time at the festival, with great music, food, and company."
* Slang: "That curry was pukka, mate! Best I've had in ages."
* Humorous: "He thought he was pukka with his fancy suit, but he couldn't even tie a tie properly."
Note: "Pukka" is primarily British slang, and its meaning can be slightly nuanced depending on the context.