Go walkies informal verb phrase
To go missing due to being stolen or lost.
Keep an eye out! Your belongings can go walkies anytime around here.
My bag has gone walkies, man. Please, help me find it. It's very important to me.
Be very nearly or inevitably lost, departed or deceased
An event takes place without the principal actor.
Lost among a confusing mix of things
To indicate one is lost in deep thought or concentration and does not aware of what is happening around him/her
Used to indicate becoming lost.
The verb "go" should be conjugated according to its tense.