Luego luego
Mexican slang for immediately
Used to indicate that something happens immediately or right away.
Luego luego que llegué, empezó a chingar.
Right after I arrived, he started to mess with me
Luego luego lo reconozco.
I recognize him right away.
Me vio que llegue, y luego luego que me viene a saludar.
He saw I arrived, and he came to say hi right away.