Nope

[Tina]

Slang for no.

[Jason Yan]

A phrase to say when a hat hovers above your head, and then your neck elongates to make up for this, thus placing your head inside the hat. Seen mainly in city workers, or other people with hard hats.

[Sarah]

When playing a scary video game, to nope is to throw down the controller, turn off the console and TV, back away slowly, and change your now soiled undergarments.

Basically, to wimp out.

[Becky]

The best response to anyone who is trying to argue with you or debate you.
The ultimate comeback; unbeatable.

[Jason Yan]

The reaction you have when seeing a scary insect or animal, e.g. a large spider.

[Zipporah Schumaker]

Nowhere On Planet Earth. A view that the project in question should not be built anywhere, a more extreme view than Not In My Back Yard [NIMBY] and less extreme than Build Absolutely Nothing Anywhere Near Anyone.