gob-stopper
American
[gob-stop-er]
/ ˈgɒbˌstɒp ər /
noun
British Slang.
Etymology
Origin of gob-stopper
First recorded in 1925–30; gob 3
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.