A fork of Rural Dictionary
When someone shows you their dick/boobs/etc for the first time in a private sensual setting.
Him: "I have a huge dick" Her: "I have big boobs" Him: "Show and tell?" Her: "How about more show than tell"
Social Media or the modern way way that people tend to communicate with one another
Cassie quit playing show and tell after her friend's took and posted pics of her passed out drunk on her front lawn
When scumbags who ride the Baltimore MTA decide to show off their hardward; exchanging guns in an attempt to intimidate the other passengers. The participants will often eye-up the other passengers while smiling and sneering at them with the occasional, "what the fuck you look'n at motherfucker"
I was so scared after show-n-tell, that I had to go piss behind the woods in the parking lot after I got of the train.
A girl who is dated only because of her appearance, so that she can be showed off to her boyfriend's friends.
-Jake and Crystal are a really nice couple, or what? -Nah, he's only dating her because she's a show and tell girl!
making out or otherwise getting it on
Me and Jessica drove to a secluded spot for some San Francisco show and tell.
The act of one calling in sick to work and then updating their facebook page with embarrasing graphic details of their illness to prove they are sick.
Tom called in sick today. We all know its probably BS, but his facebook status says he has burning diarrhea. Probably a No-Show & Tell.
Sex education where demonstrations for the purpose of modeling proper sexual technique, safer sex protocols and better communication are performed usually for a live audience who's encouraged to watch and ask questions. Demonstrations may or may not include nudity or explicit sexual contact, but often do.
"Show-n-Tell Sex Ed is such a better way to learn how to be a sex ninja than watching porn." "I went to a Show-n-Tell Sex Ed workshop where the sex educator totally hand-fucked a melon with a latex glove and some lube!" "That strap-on workshop was a Show-n-Tell Sex Ed class and they pegged a dude in front of me and my gf."