lick someone's boots
US /lɪk ˈsʌm.wʌnz buːts/
UK /lɪk ˈsʌm.wʌnz buːts/

1.
jemandem in den Arsch kriechen, jemandem die Stiefel lecken
to behave in a very humble or subservient way towards someone in authority, often to gain favor
:
•
He's always trying to lick the boss's boots to get a promotion.
Er versucht immer, dem Chef in den Arsch zu kriechen, um eine Beförderung zu bekommen.
•
I refuse to lick anyone's boots just to get ahead.
Ich weigere mich, jemandem in den Arsch zu kriechen, nur um voranzukommen.