pond lifenoun [ U ]
also pondlife uk/ˈpɒnd ˌlaɪf//ˈpɑːnd ˌlaɪf/plants and animals that live in a small area of water:
If ice did not float, pond life would not survive the winter.
UK informal also mainly US pond scum people that you do not respect or like at all:
These racist football fans are pond life.