show and tell
noun
an activity for young children, especially in school, in which each participant produces an object of unusual interest and tells something about it.
Facetious.
any informative presentation or demonstration, as to introduce a new product or divulge and explain a special plan.
Origin of show and tell
First recorded in 1950–55
OTHER WORDS FROM show and tell
show-and-tell, adjective show-and-tell·er, nounWords nearby show and tell
shovelful,
shovelhead,
shovelnose,
shovelnose sturgeon,
show,
show and tell,
show bag,
show bill,
show biz,
show business,
show card
Idioms and Phrases with show and tell
show and tell
A public presentation or display, as in It was a terrible bore, what with their show and tell of every last detail about their trip around the world. This expression originated in the 1940s to describe a learning exercise for young children, in which each child in a group brings some object to show the others and talks about it.