Teaser n. : One who teases or vexes.

Teaser n. : A jager gull.

Example:
What is the answer to the brain Teaser question sota with a box around it?

Taxonomy
teaser, teaser trailer, Teaser trailers, free encyclopedia, theatrical trailers, search, the audience, campaign, movies, hype, internet, release date, two towers, feature scenes, minute teaser, teaser poster, been suggested that this article, game.

Defination from the web:
teaser trailers to gain hype are the Lord of the Rings trilogy, the Disney/Pixar film ... The teaser trailer for Cloverfield was first publicly shown attached to the film Transformers. ...