What does it mean when someone says “this is my very last straw”?

It is an expression that means something similar to 'you are on my last nerve' which means that you are driving me out of my mind

Explanation:

the last in a series of unpleasant events that finally makes you feel that you cannot continue to accept a bad situation: Losing my job was bad enough, but being evicted was the final straw. She's always been rude to me, but it was the last straw when she started insulting my mother.

Explanation:

the last in a series of bad things that happen to make someone very upset, angry, etc. It had been a difficult week, so when the car broke down, it was the last straw.

popular sovereignty   influenced the declaration of independence because the colonists wanted to have freedom to do they wanted so they put into writing

it's a secular holiday. it is and was a custom developed to recognize the ending of a time and a wish for a good future. the kind of kiss you exchange, if you are single, is intended to predict what kind of year you will have in the coming year.

it is saying good bye to the last year with all its ups and downs, and hello to the new year, with all its hopes and dreams.