Kind of a cross between a regular Flashback and an Imagine Spot. What distinguishes it from a regular Flashback is that it is a quick cut to the past that only lasts a few seconds before snapping back to the present.
This is usually played for comedy. For example, Bob tells Sue that he has a lot of experience with women. Cut to Bob getting his face slapped by various women and then snap back to [...] [tvtropes.org]