kiss something goodbye
US /kɪs ˈsʌmθɪŋ ˌɡʊdˈbaɪ/
UK /kɪs ˈsʌmθɪŋ ˌɡʊdˈbaɪ/

1.
mengucapkan selamat tinggal pada, merelakan
to accept that you will lose something or that something will fail
:
•
If you don't study, you can kiss your good grades goodbye.
Jika kamu tidak belajar, kamu bisa mengucapkan selamat tinggal pada nilai bagusmu.
•
After the company went bankrupt, we had to kiss our investments goodbye.
Setelah perusahaan bangkrut, kami harus mengucapkan selamat tinggal pada investasi kami.