not give (或 care) a whoop

(US informal, dated)be totally indifferent

(美，非正式，旧)漠不关心，一点也不在乎

whoop it up

(informal)enjoy oneself or celebrate in a noisy way

(非正式)欢闹；狂欢；庆祝

whoop it up&I{【俚语】}

To have a jolly, noisy celebration.

举行欢闹的庆祝

To express or arouse enthusiasm; cheer

大肆宣扬，捧场：表达激情，激起热情；欢呼

conventioneers whooping it up for their candidate.

与会人员为他们的侯选人欢呼