Skip to main content
Dictionary
Store
Blog
World
Help
Advertise
Chat
System Status
Do Not Sell My Personal Information
Information Collection Notice
reCAPTCHA Privacy
Terms of Service
reCAPTCHA Terms
Privacy Policy
Accessibility
Report a Bug
Data Request
DMCA
© 1999–2026 Urban Dictionary ®
Words of the Day
Browse
Add a Definition
User Settings
Definitions by Chris ACK
Ack
Share definition
Flag
airport call
letters
for
Nantucket
Memorial Airport.
Common
abreviation for anything Nantucket.
Ack
Attack
- Have to get to
Nantucket
for
vacation
Ack
by
Chris ACK
June 15, 2005
0
0
Get merch