give a hoot

hoot はフクロウの鳴声ではあるが、give a hoot になると、give a damn, show concern の意味になる。0:13, 0;27 give a hoot. don't pollute. みんなで気をつけて、公害をなくそう。注；これは公害撲滅運動の標語（hoot と polluteが韻を踏んでいる）だったのだが、Hoot という苗字の人はたまったものではなかっただろう。

Woodsy Owl PSA

2:04 and he once told Congress 'decisions like those the FBI has to face should be made by people who don't give a hoot about politics.'

Who is James Comey?

0:01 every parent knows when a child throws themselves wholeheartedly into a creative project, they don't give a hoot about the mess they are making.

Why Parents Should Embrace Children's Messes

0:57 the fact she doesn't give a flying hoot about what anyone thinks of her ever, I think, should be distilled, bottled and given to all women everywhere.

Kate Beckinsale on the Red Carpet Look That Brought Her an Indecent Proposal

参考リンク
http://bridge-english.blogspot.jp/2017/07/its-hoot.html  it's a hoot.
http://bridge-english.blogspot.jp/2017/07/hoot.html  hoot フクロウの鳴声