To hog something entirely without saving any for others around you.

A sexually aggressive teenage girl who preys on older men.

An opportunistic and cowardly social scavenger who seeks gratification in the destruction of others' friendships and relationships. A weak, guileful, duplicitous, and malignant character.

A person who leaves a laughing emoji on social media comments to show disdain for the comment or the commenter.

a group of girls that are otherwise evil, bitchy and look terrible without make up. also known as 'those girls' they tend to be life ruiners who laugh when girls they dislike or their friends pass by. they are often sluts who condemn others for the same.

A African scavenger.The hyena is more closely related to felines than canines.They are often thought of as filthy,mangy,scavengers,but they have been shown to catch their own food.Hyena mothers have been shown to take great care of their pups as well.Their jaws are made to crush bones.
They often are heard "laughing" or "giggling",but it is actually their call.They live in large packs,led by a female called the matriarch.The females eat first.

A group of loud, abrasive and obnoxious goons who will constantly be together causing havoc wherever they go. They can be absolutely annoying sometimes but overall not bad company. They will even laugh and run like Hyenas.

Usually guys, can be women. Do not approach a lone hyena, they are unstable.

Everyone should have a hyena pack.