When the male *fucks until he goes limp; normally indicated by a foreground-view of his penis hanging flaccidly in front of the female who was on the receiving end of the *penetration.

As an emphasis on how overworked the male's genitals are, heavy cum leakage is often times a plus.

"*" - Fellatio, footjobs, thighjobs, handjobs, buttjobs and armpit sex are also applicable.