(military slang) artillery.
The army fired upon us with ack-ack.
Add your own interpretation of "ack-ack".
Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
See all Regional & Other slang on Slangora.
Browse all slang words starting with A.
No comments yet — say something.
(military slang, uncountable) fire.
Ack-acks were set up in the square.
No comments yet — say something.