hair-raisers

/ˈhɛrˌreɪzərz/

NOUN

1. Frightening and suspenseful experiences

Events, stories, or experiences that cause intense fear, excitement, or suspense.

Frightening or exciting experiences, stories, or events that create strong suspense and keep people eagerly anticipating what happens next.

Hair-raisers are thrilling novels that keep readers on the edge of their seats with suspenseful plots.
The theme park offers a variety of hair-raisers, including roller coasters and haunted house attractions.
Many horror movie enthusiasts seek out hair-raisers for an adrenaline rush and a good scare.
The campfire stories told by the counselor were legendary hair-raisers among the campers.
During Halloween season, haunted hayrides become popular hair-raisers for families and friends looking for spooky entertainment.

Competitions or events decided by a very narrow margin, creating suspense until the final result.

The championship races produced several hair-raisers, with winners determined by photo finishes.
The election results were hair-raisers, as the candidates remained nearly tied until the final votes were counted.