cock cheese

a little bit of bread and no cheese

Used to represent the song of the yellowhammer (Emberiza citrinella).

Banbury story of a cock and a bull

A roundabout, nonsensical story.

beat the cock

To masturbate.

big cheese

A very important figure, especially a high-ranking person in an organization.

chalk and cheese

Said of things that are very different, though possibly superficially alike.

cheese tax

A portion of cheese given to a domestic animal such as a dog or cat, usually when the cheese is being brought out or prepared for human consumption.

cock a snook

To perform a snook, a gesture of disrespect.

cock in the henhouse

A man in a situation where he has access to many women, presumably intending to seduce them.