sandbagging

The act or process of filling and laying sandbags, such as before a storm in anticipation of flooding.

The striking of a person with a sandbag or other heavy object.

Hiding the full strength, skill, or difficulty of something or someone early in an engagement, in order to gain an advantage.

The act of bringing a claim for breach of a covenant or misrepresentation even though the person bringing the claim knew about the issue before closing the transaction and did it anyway.

Serving premade food, such as precooked appetizers that need only reheating.

present participle and gerund of sandbag