three cheers

three cheers for (someone or something)

(Give) three shouts of joy, approval, appreciation, or congratulations (for someone or something). Sometimes used ironically, sarcastically, or humorously. Three cheers for Sarah, whose brilliant goal at the last minute won us the game! At long last the day is nearly over; three cheers for the weekend!
See also: cheers, three
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

(give) three ˈcheers (for somebody/something)

shout ‘hurray’ three times to show admiration or support for somebody/something: You all deserve three cheers for working so hard.Three cheers for the winner — hip, hip, hurray!
See also: cheers, three
Farlex Partner Idioms Dictionary © Farlex 2017
See also:
References in classic literature ?
The Tonquin shortly afterwards made her way through the intricate channel, an came to anchor in the little bay, and was saluted from the encampment with three volleys of musketry and three cheers. She returned the salute with three cheers and three guns.
"Friends, Romans, and countrymen, lend me your ears!"(They were all of them fond of quotations: So they drank to his health, and they gave him three cheers, While he served out additional rations).
And therefore three cheers for Nantucket; and come a stove boat and stove body when they will, for stave my soul, Jove himself cannot.
Then, being prepared for the journey, they all started for the Emerald City; and the Winkies gave them three cheers and many good wishes to carry with them.
Good b'ye!' Three cheers from them; three more from us; three more from them: and they are gone.
Alice Robinson proposed that the school should sing Three Cheers for the Red, White, and Blue!
Well then, and gave him the knight-stroke so I raise you to nobility, who begged for grace for your offense now kneels before me, rise as knight; knavish you have acted, and Knave of Bergen shall you be called henceforth, and gladly the Black knight rose; three cheers were given in honor of the Emperor, and loud cries of joy testified the approbation with which the Queen danced still once with the Knave of Bergen."
"Three cheers for Miss Shirley, winner of the Avery!"
"Three cheers for the Moon!" roared the Gun Club, with one voice.
It was the squire, and we waved a handkerchief and gave him three cheers, in which the voice of Silver joined as heartily as any.
After which the yeomen gave three cheers for the Queen and three more for her page, and drank toasts to them both, rising to their feet.
And consequently three cheers for the United Aggregate Tribunal!
He descended into a canoe, and as soon as he was clear of the side we gave him three cheers. They sounded faint and orderly after the wild tumult of his loyal subjects, but it was the best we could do.
When they were very near to where the secretary, Sir John, and Mr Haredale stood, Lord George turned round and, making a few remarks of a sufliciently violent and incoherent kind, concluded with the usual sentiment, and called for three cheers to back it.
Three cheers for Marmee!" cried Jo, prancing about while Meg went to conduct Mother to the seat of honor.