Usually in mountain gorillas, when groups come across each other in the forest, the male-male interactions are quite aggressive, involving chest-beating displays and sometimes even physical violence. Similarly, in Ireland, as a particular species of males, generally known as skangers, pass each other they display similar aggressive actions. These actions are known as throwing shapes and can involve head movements, fist movements and strange methods of walking.
A way to describe someone who thinks they are hard, but are just wannabes.
Usually found wearing tracksuits tucked into socks and caps sitting on the back of their heads.