1)Surfing the internet while carrying on an instant message conversaation.
2)Carrying on multiple instant message converations at the same time. Beware of typing something relevant to the wrong conversation.
1)While I chatted with my girlfriend on AIM, I looked up multitasking on Urban Dictionary.
2) person: ...and then my brother was eaten alive by emus.
Me: Yeah, dude, that's hilarious!
person: What the hell!? How is that funny, you sick f***!?
Me: Sorry, I was multitasking. A guy in another AIM conversation told me a joke.