Topdrop refers to an after-effect that may be experienced by a dominant after they have finished with their submissive. This effect is usually characterized by a feeling of guilt or depression.
More About Topdrop
The topdrop effect is a drop in mood after the high of domination. The dom/domme experiences a spike in feel good hormones when engaging in BDSM practices. It may be followed by a low when the session is completed. For some dominants, the drop in emotion also encites feelings of guilt regarding their actions.