Originally posted by Pauline McNamara:
What's a nit and why would you want to pick it?
Why is a newcomer called a greeenhorn? Why a horn and why green?
"Get them doggies movin'!" Why are cattle called doggies?
A nit is the egg or newborn of a louse. And since lice can be really itchy, piking nits is a good idea.
A greenhorn comes from the fact that young deer have green horns.
Don't know about doggies.