fish

See:

a big fish a big fish in a small pond a cold fish a fine kettle of fish a fish out of water a queer fish be another different kettle of fish be like a fish out of water be neither fish nor fowl busy as a beaver

cold fish crooked as a barrel of fish hooks drink like a fish fine kettle of fish fish for fish for a compliment fish for compliments fish in troubled waters Fish or cut bait fish out of

fish story fish up out of have bigger fish to fry like a fish out of water like shooting fish in a barrel neither fish nor fowl there are plenty more fish in the sea There are plenty of fish in the sea