Sussie, don't tell Billy . Billy will tell mom. Billy is such a tattletale. He will get me in trouble.
Knowing all the details helps frame the situation, allows for the best decision-making to occur and makes you look like a mature and informed colleague rather than an opportunistic tattletale.
In school, a kid is called a tattletale for telling a teacher about another student's bad behavior.
"No, Pa, I'm no tattletale like Suellen," she assured her father.