ACK-ACK stands for Anti-Aircraft Fire (military slang)
ACK/NAK stands for Acknowledged/Not Acknowledged
ACKED stands for Acknowledged
ACKGT stands for Acknowledgement
ACKNOWLEDGE stands for Acquisition of Knowledge
ACK stands for Amar Chitra Katha (Indian entertainment company) ACK stands for Akademickie Centrum Kultury (Polish: Academic Center for Culture;…
DIIN stands for Damned If I Know DIIN stands for Dyslexia Institute of Indiana (Indianapolis, IN)
DIIK stands for Damned If I Know
DIIDDIID stands for Damned If I Do, Damned If I Don't (Internet slang)
DIHWIDT stands for Doctor, It Hurts When I Do This