melt in one's mouth

melt in one's mouth idiom
Taste very good, as in This cake is wonderful—it just melts in one's mouth. This expression, first recorded in 1693, at first alluded to the tenderness of some food that therefore did not require chewing, but it had acquired its present meaning by about 1850. Also see butter wouldn't melt.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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