look up any word, like tribbing:
 
8.
AIS
Abbreviation for "Assume It's Significant." Used on a BBS when someone posts a reply that is only marginally related to the original question.
Question: Does anybody know about how much a one-bedroom apartment rents for in a nice side of town in New Jersey?

Reply: Bruce Springsteen was born there!
by LadySphinx February 24, 2004
 
9.
AIS
Abreviation for asian invasion style. Used when infiltrating or rushing a given area installation or group of people.
Alright lets get them asian invasion style!
by Spectre01 March 16, 2005
 
10.
AIS
Australian International School Singapore
I wanted to go to a international school in Singapore so i chose AIS.
by trentmeister April 14, 2006