An excessive amount of something.

“A surfeit of wheat is driving down the price.”

Overindulgence in either food or drink; overeating.

A sickness or condition caused by overindulgence.

“King Henry I is said to have died of a surfeit of lampreys.”

To fill (something) to excess.

To feed (someone) to excess (on, upon or with something).

“She surfeited her children on sweets.”

To make (someone) sick as a result of overconsumption.