In short and simple terms, the word "helo" is a misspelling of the word "hello." It is commonly used as a casual greeting or salutation to say "hi" or to initiate a conversation.
Sentences with «helo»
New killstreaks include Helo Scout, which allows you to provide sniper support from a helicopter, and Guard Dog, which brings the infamous Call of Duty dog to the multiplayer battlefield. (gamnesia.com)
After a rough start — including Helo running away five times in two days — he realized he was home to stay and never looked back. (ochsms.org)