triggery

Etymology
From (in various senses).

Adjective

 * 1) Easily triggered; tending to go off very frequently.
 * 2) Tending to upset.
 * , antiabortion.com, notice to members, quoted in Miriam Grossman, Unprotected: A Campus Psychiatrist Reveals How Political Correctness in Her Profession Endangers Every Student, Sentinel (2007), ISBN 978-1-59523-045-4, page 86:
 * A trigger warning serves as a heads up that the post contains some possibly upsetting material. Triggery subjects include, but are not limited to, pregnant women, children, clinic protesters, insensitive people, ... anniversaries, etc.
 * A trigger warning serves as a heads up that the post contains some possibly upsetting material. Triggery subjects include, but are not limited to, pregnant women, children, clinic protesters, insensitive people, ... anniversaries, etc.

Noun

 * 1) Trigger mechanisms, taken collectively.