to impregnate a or planning the seed on your gf or some random hoe. It could be done illegitimately or legitimately.
Alfred:Yo bra guess what?I just seeded my girlfriend Candy!She has no choice but to marry me now!
Adrian:That's just awesome bra. But, I did something much more awesome than you. I seeded the black girl Monique, ima have a black kid to play for the NBA biatch!!
Alfred:Dude, that's just gross.