A new, as yet financially volatile, money making bonanza or scheme

in the uk, bird is a common expression for an amount (any) of prison time.

To have a face that is ugly and resembles that of a person in the lower class.

This term is used to describe people who like to worry about anything and everything. For the most negative fatalistic pessimistic people in the world.

They worry for events that are ancient history as soon as they find out about them because that's all they know how to do in life is worry and fret and ruminate; it's so pathetic.

Something/someone that is good at their designated task/job

Someone who's clever and witty, OR someone who's good with words.