A childish comfort. Another term for their "blankey". Something they feel very dear to them. Nothing will tear them apart. In my case a 3-foot long strip of yellow satin. One of two that I ripped off a blankey when I was five.
Johnny, its time to get rid of that aweful thing. You're too old for it now anyway.
The word 'Binky' can now be used in place of the term 'eat me' thanks to a loveable polar bear named Binky from the Alaska Zoo in Anchorage. In July of 1994 a tourist climbed the fence at the zoo and received multiple bite wounds, hence the term 'BINKY!'.
Mom: Son, why don't you clean your room?
The son doesn't know it yet, but the mom just wants him to stand up to her.