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

1.
iemands laarzen likken, slijmen
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.
Hij probeert altijd de baas te slijmen om promotie te krijgen.
•
I refuse to lick anyone's boots just to get ahead.
Ik weiger iemands laarzen te likken om vooruit te komen.