Definition of be well in with in English:

be well in with

informal Have a good relationship with (someone in a position of influence or authority): you’re well in with O’Brien, aren’t you?
More example sentences
  • Unfortunately, the other player involved was well in with the manager, his blue-eyed boy, and I was the one who was ostracised.
  • Then it was cross-town motorcycle delivery, and by the time we got to skydiving delivery I reckoned I was well in with the company.
  • Absolutely up to him whom he allows on his land, and I'm sure he is well in with the rest of the Cheshire Aristocracy, but, m'Lord, nine acres ain't exactly an ‘estate’ - it is a very nice garden with a home paddock and hopefully a bit of woodland.
See parent entry: well

Definition of be well in with in: