Butter up
Meaning
Flatter someone to gain favor.
Usage
Refers to insincere compliments for gain.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Possibly from a custom of throwing butter at statues of gods in India, but this is not certain.
Recorded in the early 19th century.