Duck soup American informal noun slang
Used to descibe something very easy to do or accomplish
Don't worry about the next task! It'll be like duck soup.
The job was duck soup for new workers.
Fixing the fence is going to be duck soup.
This phrase can be be used after "be" or "like".
1. A pill or tablet that is hard for someone to swallow because of its large size
2. An fact, claim, proposal, etc. that is very difficult to believe or accept
1. The vet gave my adorable puppy a horse pill and he spat it out immediately.