Mother load

When you take a big poop

"Oh man, I gotta go mother load"

Mother Load

The specific load of sperm that results in impregnation, and the female becoming a mother, hence "Mother Load". If a woman has had sex more than once during her fertile period, it will be difficult to know exactly which load was the mother load.

I only had sex with her once so I knew the load I busted in her that night was the mother load.

mother load

The slurry excreted from a female when she has a massive period.

Wade: The girls were real bitches at tea tonight.

Ian: Must be the mother load.