zingming

Wrap the trigger content in [trigger][/trigger] to hide it. Example: [trigger]something terrible[/trigger] If you want to specify the type of trigger, you can do something like [trigger warning=”violent imagery”]something terrible[/trigger].
Readers can choose to read the trigger content by clicking on the “Show” button.

Trigger Warning

Wrap the trigger content in [trigger][/trigger] to hide it. Readers can choose to read the trigger content by clicking on the "Show" button.

Jon Weatherhead

A trauma trigger is an experience that triggers a traumatic memory in someone who has experienced trauma. A trigger is thus a troubling reminder of a traumatic event, although the trigger itself 
need not be frightening or traumatic.
Trigger Warning Deluxe is a great way of giving your readers a heads up in what to expect in articles containing potential triggers.
<h4>Features</h4>
<ul>
<li>Flag posts as potentially triggering with the click of a checkbox</li>
<li>Append a trigger warning to the titles of your posts and present a popup describing why the post is flagged as triggering</li>
<li>Customize the default trigger warning label and warning message in the administrative panel</li>
<li>Optionally override the defaults with post-specific labels and warnings while editing posts</li>
<li>Replace triggering inline content with a trigger warning & content toggle by using a [triggerwarning] shortcode</li>
</ul>

Trigger Warning Deluxe

Warn your readers of potentially traumatic content.

Trigger Warning vs Trigger Warning Deluxe