from The Century Dictionary.
- noun A game of tag in which a player cannot be touched or tagged while squatting.
Sorry, no etymologies found.
"Why not set the whole court to playing squat-tag?"
'Bull-in-the-ring,' 'squat-tag,' 'button, button, who's got the button?' are all right for kids that don't have to rise in the world, but with you lads it's different.
"Each of us flopped down behind the nearest shrub as if we had been playing squat-tag.