Definition of sandbagging:
(n) :
(figurative) Hiding the full strength, skill, or difficulty of something or someone early in an engagement, in order to gain an advantage.
(n) :
The act or process of filling and laying sandbags, such as before a storm in anticipation of flooding.
(n) :
The striking of a person with a sandbag or other heavy object.
(n) :
(law, M&A) 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.
(n) :
(restaurant kitchen jargon) Serving premade food, such as precooked appetizers that need only reheating.