Flat on (one's) ass phrase informal figurative
On one’s buttocks. This phrase is commonly used to describe one's resting position after a fall.
She walked away unsteadily and fell flat on her ass.
When Jane was practicing her skating, she fell flat on her ass.
Totally drained.
By 6 o 'clock after a busy day, Mary is flat on her ass.
I'm flat on my ass because I ran all the way!
To be out of money.
You are flat on your ass, aren’t you? You can square your accounts with me at the end of the week.
I'm flat on my ass cause I must pay off my loan.
save as much money as possible
Used to say that someone attempts to get money from you.
Feeling worried about finance.