butter up to (one)

butter up to (one)

To charm or be nice to one, as with flattery or other means, especially before delivering bad news or asking for a favor. I tried to butter up to my father by mowing the lawn before I asked to borrow the car. At least butter up to me before you ask for money.
See also: butter, up
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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