In dictionaries:
ack ack
Anti-aircraft artillery sound imitation.
ack ack
Ack Ack commonly refers to the artillery fire of anti-aircraft warfare, derived from the initials "AA".
syn ack
ack emma
Military slang for morning hours.
ack ack gun
Anti-aircraft gun for defense.
ack ack gun
ack nak
ack acks
Ack Attack
The TOP 1 Ack Attack is a specially constructed land-speed record streamliner motorcycle that, , has held the record for world's fastest motorcycle since recording a two-way average speed of on September 25, 2010, in the Cook Motorsports Top Speed Shootout at Bonneville Speedway, Utah.
more...