Refers to whichever one was da "magic bullet" out of all da sperm-outflows dat you spurted inside a "willing" chick over a period of time --- i.e., which one got her knocked up.
I always either ask a gal if she can get pregnant or use protection, so dat none of my gleeful ejaculations between her legs will be a "motherload".
by QuacksO November 6, 2022