all up adjectival phr. [ɔ:l 'ʌp] Also all-up. E19.
[Sense 1 from ALL adverb, sense 2 from ALL noun, + UP adverb².]
1. pred. Completely done or finished; almost over. Chiefly impers. as below. E19.
it is all up with someone: he or she will shortly die, be defeated, etc. it is all up with something: it has no prospect of continuation or success.

2. attrib. (With hyphen.)
a. Of the weight of an aircraft: total, including crew, passengers, cargo, etc., when in the air. M20.
b. Of a postal service, mail, etc.: (with all items) sent by air though charged at a surface-mail rate. M20.

[TahlilGaran] English Dictionary ▲

all up
adj. phr., informal Near to certain death or defeat without any more chance or hope.
With their ammunition gone the patrol knew that it was all up with them.

[TahlilGaran] English Idioms Dictionary ▲