Slang A person regarded as being assured and artfully ingratiating in manner.(noun)
Slang A smooth-tongued person.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "smoothie" in a sentence
"Originated in America, a smoothie is a healthy drink made up almost entirely out of fruits, sometimes sweetened."
"The smoothie is a really pretty sunset orange colour"
"ABC, smoothie is a paint additive to eliminate ‘fish eyes’ in paint."