butter wouldn't melt in one's mouth
butter wouldn't melt (in one's mouth)
Said of one who appears innocent or reserved in certain company, when in fact one may have the opposite demeanor. Sure, he looks as if butter wouldn't melt in his mouth when he's around people he doesn't know, but stay a while and you'll see what he's really like. Samantha always affects this demure, butter-wouldn't-melt expression on her face whenever she wants something from you.
See also: butter, melt
Farlex Dictionary of Idioms.
butter wouldn't melt in one's mouth
Be overly coy or demure; be insincere. For example, She looked quite innocent, as though butter wouldn't melt in her mouth, but we knew better . Already a proverb in John Heywood's collection of 1546, this metaphoric expression alleges that one is literally so cool that butter inside the mouth would not melt.
See also: butter, melt, mouth
The American Heritage® Dictionary of Idioms by Christine Ammer.
- drive (one) out of office
- force (one) out of office
- force out of office
- give (one) (one's) head
- give head
- give somebody their head
- give someone their head
- cooking for one
- 1FTR
- as one door closes, another (one) opens