have all (your) marbles

informal

lose (your) marbles - to start acting in a strange way and forgetting things.

He's pretty old but he still has all his marbles, if that's what you mean.

• out of sight, out of mind
• out of someone's hair
• out of someone's way
• out of sorts
• out of step
• out of step with
• out of step with something
• out of the blocks
• out of the blue
• out of the doldrums
• out of the firing line
• out of the frying pan
• out of the frying pan into the fire
• out of the gate
• out of their rut
• out of the loop
• Out of the mouths of babes .
• Out of the mouths of babes and sucklings.
• out of the picture
• out of the question
• out of the running
• out of the starting blocks
• out of the starting gate
• out of the top drawer
• out of the way