look up any word, like sex:
 
1.
A response to a statement that was so incorrect, that it was funny.
Derp: "Cows have a secret gland that makes them grow leaves on their back"

Me: "....LOLno."
by Rockoman100 August 16, 2011
 
2.
1. I do not find this to be funny.

2. I do not agree that this joke is funny.
-Did you know women poop when they give birth? XD
-Lolno
by AE-77 May 21, 2009
 
3.
Used to reject nooblets, or to answer questions that have no relevance to the situation at hand.

Started by the Clan of Awesome Awesomeness on Gaia, while playing Gaia's MMO zOMG.
Example one-
Nooblet: Can I joinz ur crew?
Fwee: LOL NO.

Example two-
Person one: WHAR IS DA NULL CRYSTAL 4 THIS AREA??
WHAR IS DA NULL CRYSTAL 4 THIS AREA??
WHAR IS DA NULL CRYSTAL 4 THIS AREA??
WHAR IS DA NULL CRYSTAL 4 THIS AREA??
CAN SOME1 TELL ME PLZ???

Fwee: LOL NO.

Random person: STFU AND STOP SPAMMING NOOBLET!!
by MakaFwee March 14, 2010
 
4.
When someone pretends to laugh at a joke, but then rejects it absoloutely.
Barry:...and then there wasn't any chicken left!
Me: LOLNO
by iovusdnifvuwnid February 25, 2012