Definitions by Mike Gray

loi 

Lack of Interest - i.e if something isn't funny or interesting. could be lol for lack of laughter.
Derived from lol but due to overuse loi is to show when something clearly isn't funny.

Person 1 - lol check out this link "blah blah blah dot com"
Person 2 - Loi. /Or Lol (lack of laughter)

Person 1 - Haha did you see such and such tonight, PMSL!!!!
Person 2 - No n00b LOI!

loi by Mike Gray April 11, 2007

lolerplane 

Lolerplane - derived from lolerskates or roflcopter. to express something funny or not funny (sarcasm)

Person 1 - Punchline - Turns out she was a GUY!
Person 2 - LOLERPLANE!

Person 1 - So my mum died...
Person 2 - Lolerplane, how?

lolerplane by Mike Gray April 11, 2007