little head

a little bird told me

I received the information from a source which I am not prepared to disclose.

a little bit of bread and no cheese

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

a little from column A, a little from column B

A combination of two factors or reasons.

a little of something goes a long way

Only a small amount of something is usually required to produce a great effect.

bang one's head against a brick wall

To waste effort on a futile project.

bash someone's head

To beat up someone violently.

big head

An inflated ego, an exaggerated belief in one's own importance.

bite someone's head off

To severely berate someone.