food chain

drag the chain

To fall behind relative to others.

eat one's own dog food

To use or consume the economic goods or services that one is producing; to be part of a closed household economy.

food baby

A protruding belly resulting from the consumption of a large quantity of food; the contents of one's digestive system causing the protrusion.

food for thought

Information or knowledge that is worthy of contemplation.

food noise

A mental preoccupation with food that is differentiable from hunger and from cravings but tends to urge people to overeat.

put food on the table

To provide enough money to cover basic necessities.

worm food

One or more corpses, especially in a state of decay; remains.

yank someone's chain

To tease someone; to lead someone on; to goad someone into overreacting.