In mythology, weeds growing in a lake which reach up and drag someone down to their death should they venture too far into the generally eerie looking, dimly lit water. They have a mind of their own and seemingly no not have humans best interests at heart.

An extended form of "weed" ie. Cannabis, used only because it has the word "weed" in it, in reality it has nothing to do with smoking grass.

Literally everyone, ever. Including the writer of this definition.

Weed growing in a lake. Loosely: Street name for bud Cannabis.

Term for Cannabis, mostly used in Glasgow in the mid 2000s.