yes-gadget
nounUK /ˈjɛsˌɡædʒɪt/
US /ˈjɛsˌɡædʒɪt/
A yes-gadget is a little tool that says yes when you press it.
She pressed the yes-gadget and it lit up green.
OTHER MEANINGS
2. A playful name for any device that only gives positive answers.
My toy robot is a yes-gadget—it never says no.
3. A small clicker used in games to vote yes.
Everyone with a yes-gadget raised it to vote.
4. A gadget that makes agreeing sounds.
The yes-gadget beeped happily when we said yes.