TEASER

n. one who mocks or taunts; one who teases other people; tantalizing and difficult problem or riddle; apparatus used for teasing wool ; (Marketing) ad that offers a gift or something else free in order to obtain the interest of the customers

For a short theatrical trailer, see Teaser trailer A teaser (or a "two-team teaser") is a type of gambling bet that allows the bettor to combine his bets on two different games. The bettor can adjust the point spreads for the two games, but realizes a lower return on the bets in the event of a win.A teaser is a type of wager used in sports betting most commonly in basketball and football. This wager is a multi-team wager, allowing the bettor to choose a minimum of two teams up to, in some cases, 15 teams. The bettor will get points on his favor to add or subtract to the teams chosen to improve the point spread chosen.
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Noun
1. a worker who teases wool
(hypernym) worker
(derivation) tease, tease apart, loosen
2. someone given to teasing (as by mocking or stirring curiosity)
(synonym) tease, annoyer, vexer
(hypernym) unwelcome person, persona non grata
(derivation) tease
3. an advertisement that offers something free in order to arouse customers' interest
(hypernym) ad, advertisement, advertizement, advertising, advertizing, advert
4. a particularly baffling problem that is said to have a correct solution; "he loved to solve chessmate puzzles"; "that's a real puzzler"
(synonym) puzzle, puzzler, mystifier
(hypernym) problem
5. an attention-getting opening presented at the start of a television show
(hypernym) opening
(classification) colloquialism
6. a flat at each side of the stage to prevent the audience from seeing into the wings
(synonym) tormenter, tormentor
(hypernym) flat
7. a device for teasing wool; "a teaser is used to disentangle the fibers"
(hypernym) device
(derivation) tease, tease apart, loosen

n. teaser

(n.)
One who teases or vexes.
  

(n.)
A jager gull.