look up any word, like the eiffel tower:
 
1.
(adj.) When someone is one way in person, and a COMPLETELY DIFFERENT person online (on Facebook, in texts, IM, etc.), so much so that you wouldn't recognize them. The actual word has its roots in bi-polar and the way Apple puts a lowercase i in front of all their capitalized product names.
Psshh, don't listen to his stupid comments, the kid's iPolar. He acts super tough on Facebook, but he's nothing in real life.
Wow, I think Jess has iPolar-mania... she's really smart in person, Buwt r!t3z re4llii st00ped 1n textsssss!!!111one111 -.-
by ThankYouDahling August 05, 2010
 
2.
When you think your battery will last, but it fails to stay on. In other words, you're happy just to have battery power, then you quickly become depressed because it died.
Guy 1: Yeah! I love this son....NO! IT DIED!! I'm going iPolar!!
by xpaperheartsx September 13, 2007