In the beginning days of the telephone 'Ahoy hoy' was the standard greeting when one answered the phone. It was later replaced by 'hello' and then 'who dis?'. Mr Burns revived this old greeting in the Simpsons.

Intelligence agency term for "psychological operation". A government or corporate-sponsored operation, usually taking the form of a "terrorist attack" or "crazed gunman on a spree", with the intent of panicking the public into demanding more police and laws inhibiting freedom. Psyops are usually carried out by drugging a civilian or group of civilians with aggression-promoting drugs, psyching them up, arming them, and sending them out to commit mayhem. Government-sponsored terrorism. See also blackshirts, conspiracy

Ahoy hoy was previously a term to greet or get the attention of small sloop-rigged coasting ship or a heavy barge used for freight.

Ahoy = Hello (in Dutch)
Hoy = A small sloop-rigged coasting ship or a heavy barge used for freight

In the 1870's, inventor and Scottish born Alexander Graham Bell invented the telephone. Bell's preferred salutation, Ahoy-hoy was derived from the nautical term above.

It really gained popularity when Mr. Burns used it on the Simpsons a few seasons ago, but the internet has adapted it for use as a common greeting. It's commonly spelled Ahoi hoi online.

Another Word for Hi, Greetings, Whats up.....
Hi
Hello
Greetings
Hey
Good Day
Whats up?
How is it going?

An ancient expression used principally by Mr. Burns on the Simpsons. The greeting originated as a mix between "Hello" and "Yoo-hoo!" in the monasteries of Scandanavia, when the Catholic priests would see a young boy outside the walls.

Standard response to ahoy

Ahoy hoy is the way we used to answer the telephone in early days. It was replaced with hello which way the old way of a sign of surprise because Alexander Graham Bell answered the telephone that way because he was full so surprise.