butter up
US /ˈbʌt.ər ʌp/
UK /ˈbʌt.ər ʌp/

1.
menjilat, membujuk
to flatter someone in order to gain a favor or special treatment
:
•
He tried to butter up his boss before asking for a raise.
Dia mencoba menjilat bosnya sebelum meminta kenaikan gaji.
•
You'll have to butter up the teacher if you want a good grade.
Kamu harus menjilat guru jika ingin nilai bagus.