Comment-sation 

A conversation on Facebook communicated completely through comments on a status, post, photo, etc.

(Friend receiving hundreds of notifications about a status he liked an hour ago)

Anthony: This is the dumbest comment-sation ever.

Comment-sation by Ethan and Anthony NJ October 28, 2011

commentvation 

when two or more people have conversation on your status post, photo or anything commentable on facebook, whoever has commented then gets numerous notifications

Ben: I have loads of notifications, but none about me

Paul:Oh maybe someone's having a commentvation on your photo

commentvation by sawyersboy October 1, 2009

commentsations 

When you and another person send comments back and forth on myspace making it into a conversation.

Me and Kaylee had some pretty sweet commentsations today.

commentsations by Andy White December 26, 2007

Commentsation 

When people have a conversation via comments on Facebook or Myspace. on either they're comment-wall or pictures.

-My Fiancee, her cousin and myself had a dumb commentsation on my fiancee's picture on Facebook that wasnt even relating to the picture.

-I have 64 comments from the same person because we decided to have a commentsation and now everyone can read what we were talking about.

Commentsation by Wick3dR3n3gad3 December 6, 2009

Commentsation 

The act of having a whole conversation using comments. When two or more people feel it's necessary to use the comment section of a photo or video on Youtube, Facebook or otherwise social network instead of just calling one another or using a chat platform.

-That's a nice picture.
-Thank you! How are things Jason?
-Very well. I recently saw you on grandma's album of photographs kissing the dog.
-Oh yes I remember! How is she?
and so the commentsation continues.

Commentsation by Imthekey November 3, 2013

commentsation 

comment-say-shun, Noun, To have a conversation via Facebook, Myspace, Twitter, etc in the comment area. Usually results in useless notifications to people not taking part in the commentsation.

Hey, maybe this commentsation was a bad idea...

commentsation by Googleyes545354378 November 18, 2009

commentsation 

Commenting back and forth on Facebook to the point where the comments actually don't make sense anymore.

Can be on a wall post, status update, photo etc.

Alright guys, we are officially done with this commentsation. It doesn't even make sense anymore!

commentsation by Vagena S. Harry May 20, 2011