Ahoy

[Justin Bieber]

Travel management solution that helps users with travel bookings, auto check-ins, change/cancellation of flights, and more. A software product by Ahoy Travel

[Jason Yan]

A call used to greet someone or draw attention to something from a distance.

[Lanell]

[Another] [nautical] expression

[Sommer]

A word used to [greet] or aknowledge someone ;Used in most [parts] of [South Africa] by young people and Rastafaris

[Little_Girl]

A cry used to attract [ships].
A [piratical] greeting, also used when entering a [chatroom].

[Oralee]

a shout used, especially by people in boats, to attract attention: