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.
If a high ball was dropping into the goal area in a GAA match, this is a shout from the big man on the team letting other weaker players know he is about to jump for it.