What does "dammit" mean?

The saying of the interjection, used as a general measure of anything.

Dammit

/ˈdæmɪt/ intj, noun

intj, noun ·Rare ·Advanced level

Noun

1
The saying of the interjection, used as a general measure of anything.
"... my life at Cannes was as blameless as dammit."
2
A fastener used for military medals, name tags or other things that are pinned to a uniform; a clutch, a clutchback.
"We couldn't find enough dammits (a cap that goes over the pin to hold it on). We were lucky to find our name tags."

Intj

1
Expressing anger, irritation, contempt, or disappointment. mildly, vulgar
""No plot! Why, dammit girl, it's all plot, woven about that most fascinating of human problems, the Electra complex!""

"Dammit, she completely ignored me."

Univerbation of damn + it.