Lazy man's load

An unmanageably large load carried to avoid making more than one trip. The phrase originates from the American South.

The act of male ejaculation as a result of masturbating, usually taking place in a bed. Upon ejaculating(blowing his load) the individual is too tired or just too lazy to clean up his mess, leaving the load to rest on the sheets, and in and around his belly button(depending on accuracy), He then drifts off into a deep and satisfied slumber.