#1: ai is used in either Japanese or Chinese to describe 'Love'. In manga (or anime) it can be used to describe the genre, like in Gravitation, it would be called Shounen-ai or "boy-love" because it is about to gay boys.

#2: A.I. is the abbreviation of Artificial Intelligence...or androids (robots)
#1: Person A: "Hey! I just dropped by Borders and picked up a copy of Gravitation!"
Person B: "Cool...what's it about?"
Person A: "Well, first of all, it's a shounen-ai book. It's kinda like Japanese 'American Idol,... because the one boy..."

#2: The anime show Ghost In The Shell is about the future, where the difference between being a human or A.I. is almost indistinguishable.
by Kaeleigh April 1, 2005
Get the ai or A.I. mug.
1. is short for Allen Iverson a NBA player
Wow A.I. dropped 30 points last night.
by Earl April 3, 2005
Get the ai or A.I. mug.