Ironic Monitoring
A mental process that checks if you are successfully avoiding unwanted thoughts, often causing them to return stronger when suppression fails.

This mental mechanism checks whether you are successfully avoiding unwanted thoughts, such as doubts or fears. When suppression fails, the process often triggers the rebound effect, causing those thoughts to return with greater frequency and intensity. It is a core component of the ironic process theory in psychology, explaining why trying not to think about something often makes it more prominent.
What this means in real life
A person tells themselves 'I won't think about the embarrassing thing I said today,' but that instruction makes the memory pop into their head repeatedly throughout the evening, more vividly than if they'd simply let their mind wander naturally.
What it isn’t
It is not the same as distraction or healthy coping. Distraction redirects attention elsewhere; ironic monitoring is the specific failure of suppression itself—the act of trying not to think about something becomes the very mechanism that keeps it present.
Commonly misused online
Often conflated with 'reverse psychology' or used loosely to mean 'the opposite of what you'd expect.' Online, it's sometimes invoked to justify why ignoring anxiety makes it worse, though the mechanism is more specific than general avoidance.