Definition of "kudos"

Allen Gregory DeLongpre: Pat, I gotta tell you, you did a lot of things right with this lunch―kudos. You got back quickly, you showed initiative, and, best of all, you left plenty of room for improvement.

2011 Allen Gregory, "1 Night in Gottlieb" (season 1, episode 2)

And… and to that… to that Turkish horse, I say this, “You should not step on people’s balls, but, in this solitary instance, kudos, horse, kudos.”

2014, Tim Carvell [et al.], “The Lottery”, in Last Week Tonight with John Oliver, season 1, episode 24, John Oliver (actor), Warner Bros. Television, via HBO

Meanwhile Nanny Broome was recovering from her initial panic and seemed anxious to make up for any kudos she might have lost, by exerting her personality to the utmost. She took the policeman's helmet and placed it on a chair, and unfolded his tunic to shake it and fold it up again for him.

1963, Margery Allingham, chapter 19, in The China Governess‎

You know and I know that Dr. Tinsley likes a bit of kudosing every now and then. I think it would be well if we seriously considered some kind of honorable mention for him at the Conference.

2018, Margaret Edds, We Face the Dawn