to get into a much worse condition.

I almost didn't recognize John. He's really gone to seed since his wife left him.

Etymology: based on the literal meaning of plants that go to seed (= stop producing flowers and start producing seeds)

• be several cards short of a full deck
• be shaking in boots
• be shaking in shoes
• be shaking in your boots
• be shaking in your shoes
• be shit scared
• be shitting bricks
• be short of a bob or two
• be shot of
• be shot of someone
• be shot of something
• be shot to hell
• be shot to pieces
• be sick and tired of
• be sick and tired of doing something
• be sick and tired of something
• beside
• beside the point
• beside yourself
• be sitting in the catbird seat
• be sitting on a goldmine
• be sitting on tail
• be sitting on your tail
• be sitting pretty
• be six feet under