Whether it's the picking of the noses and then wiping the "nose innards" on the wall next to their beds, left only to then petrify and scratch the mother's arm while cleaning, or a popular phrase from a movie repeated over and over...
I, for one, never pull my pants down to scratch.
"Who's kid is this?!
...drinking the muddy water that has pooled on top of the jungle gym thingy?"
Most definitely, not mine!
Yeah sure, in my early years I was known to pick up a total stranger's chewed up gum off of the ground, pick the rocks out of the wad of gum, then place it inside of my very own mouth, a time or two. But I was a deprived child!
This kid watches TV like this, all of the time. I believe it comes from a recessive gene...on his father's side.
I can only claim one of these creeps. But such odd behavior tends to attract fellow beings, that act in a similar manner.