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

1.
decir adiós a, despedirse de
to accept that you will lose something or that something will fail
:
•
If you don't study, you can kiss your good grades goodbye.
Si no estudias, puedes decir adiós a tus buenas notas.
•
After the company went bankrupt, we had to kiss our investments goodbye.
Después de que la empresa quebró, tuvimos que decir adiós a nuestras inversiones.