A strange word commonly used alongside "Hi", "Hey" and sometimes, when people are
horny "Heyyy". This strange word is what people because they don't know how to start a conversation.
Its use was first appeared in the 1800s as an attempt by some weird humans to grasp attention. Its variants or similar words include "hallo". It soon
rose to being a common word after the invention of telephone.
Scientists still are discovering a way to make humans not
dumb so that we don't have to use such strange and
alien words in order to start a conversation. However, this word is widely in use and
won't disappear anytime soon.