Running amok

In a violently raging, wild, or uncontrolled manner. Commonly used to describe wild or erratic behavior.

Read the riot act

To chastise loudly, or to issue a severe warning. In England, unruly crowds that did not disperse after the Riot Act was read to them became subject to the force…

Diehard

Refers to someone with a strong dedication to a particular set of beliefs. The term "diehard" originally had a series of much more literal meanings. In its earliest incarnation in…

Crocodile tears

To describe a display of superficial or false sorrow. The saying actually derives from a medieval belief that crocodiles shed tears of sadness while they killed and consumed their prey.

White elephant

A possession that is useless or troublesome, especially one that is expensive to maintain or difficult to dispose of.

Barking dogs seldom bite

To threaten someone, but not take action or follow through with threats. Or someone who makes a lot of noise but is harmless. Or be all show, posture or bluster.…

Strike while the iron is hot

To act quickly when opportunities arise before we miss our chance. Reference to blacksmithing. Where you need to hit a hot piece of metal with a mallet before it cools…

Birds of a feather flock together

This adage is used to describe how people of similar attitudes, interests and beliefs often congregate together. This can sometimes to be used to point out negative characteristics of people.