Angry Staff Officer on X: "Dear Army people who respond "ACK" to an email requesting acknowledgement, this is how I see your reply. Take the extra five seconds to write the word,
What Words Can "ACK" Make? | StoryBots: Learn to Read | Netflix Jr - YouTube
Ack Ack" Poster for Sale by Procrastitron | Redbubble
ACK
Ack! Ack! Ack!" and the Origins of 'Mars Attacks!' - HorrorGeekLife
Ack Meaning: What Does the Term "Ack" Mean? • 7ESL | Slang words, Other ways to say, Meant to be