What is gay dacryphilia sex?

Where one gets sexual pleasure from tears, sobbing, of another, or themselves. Notably though from others, in a BDSM context.

Definition

Generally this is associated with Males. It is the actual pleasure derived from a deep emotional release, such as sobbing or crying.

In most contexts, it refers to the pleasure a Top receives when the Bottom is reduced to tears, from their administration of some form of pain.