kiss (someone) off

Translations
попрощаться (с кем-то), избавиться (от кого-то)
After the argument, he decided to kiss his old friend off.
После ссоры он решил попрощаться со своим старым другом.
Definitions
To dismiss someone abruptly or rudely; to end a relationship or association with someone, often in a way that shows you no longer care about them or their involvement.