1 definition by Tankoo4everyting!

Another way to say hello. Used when "heyo" is just not O-ey enough. It is also used when you are yelling at a friend from across the room.
You *sees friend coming into school and starts running towards them*: Heyooo!!! I haven't seen you in forever!
Friend: Whats for lunch?
by Tankoo4everyting! August 31, 2020
Get the Heyooo mug.