This is the 7755th most frequent Polish word.
manka
The Polish word "manka" refers to a left-handed person (informally).
Here, 'manka' refers to the state of being short on something, typically resources or funds.
Zapomniałem pieniędzy w domu, więc teraz jestem na manka.
I forgot money at home, so now I am short of funds.
In this context, 'manka' signifies a deficiency or discrepancy in a financial setting.
Księgowy zauważył manka w rozliczeniach.
The accountant noticed a discrepancy in the accounts.
Here, 'manka' is used more abstractly to refer to deficiencies or shortcomings in a context that is not financial.