Seedweed Share definition Flag A person who is a controlling bitch, over protective freak; generally a female who is dirty and doesn't cleanse. Don't talk to that seedweed she'll bite your vag off if you come near her man. Seedweed by Madex October 2, 2016 0 0 Get merch Get the Seedweed mug. Buy Now — $32.95 See more merch