When a person writes two or more consecutive comments on facebook, using the subsequent comments to add more detailed information, usually to prevent themselves from appearing ignorant or idiotic to others who may question the legitimacy of the original comment.
Joe's Status: Feel so drowsy today.
Mark's First Comment: Don't you mean, DRAW-SAY :p LOL!
Mark's Second Comment: You had to be there to get that.
Mark's Third Comment: At the party, I mean.
Mark's Fourth Comment: Joe got totally pissed whilst we were playing charades.
Joe's First Comment: Way to go with the back-up comments...douche
Mark's First Comment: Don't you mean, DRAW-SAY :p LOL!
Mark's Second Comment: You had to be there to get that.
Mark's Third Comment: At the party, I mean.
Mark's Fourth Comment: Joe got totally pissed whilst we were playing charades.
Joe's First Comment: Way to go with the back-up comments...douche
by bk-kaboom February 23, 2010

Back up ragers. An Awesome group of people. Who supported the RATM for xmas number 2009. This group of people stayed togther long after it was all over and carried on raging. Many friendships where formed and they became like family
Back up ragers. A large group of people who enjoying raging.
Back up ragers. A large group of people who enjoying raging.
by Archykins April 11, 2010

"Backing that thang up" is a term used to define when one simply backs up their massive load of tooshie. (Example: "I like the way you dance girl, back that thang up!")
by twerkteamcaptain September 21, 2013

To go back in a conversation
So Christie is pregnant, anyways did you see the football game on Monday?
Wait, wait, wait back up the truck...Christie's what?
Wait, wait, wait back up the truck...Christie's what?
by bandrewa October 29, 2007

Man 1: Hey do you wanna go out tonight? I just got invited out by George, he says Samantha and a few of her friends will be there.
Man 2: Doesn't he fancy Samantha?
Man 1: I think so, why?
Man 2: You're so his banter back-up!
Man 2: Doesn't he fancy Samantha?
Man 1: I think so, why?
Man 2: You're so his banter back-up!
by DJ Dino Dingo September 1, 2009

Boy who you date if your crush wont go out with in a matter of time and you pick a guy to date as a back up for ur crush
by Jdisjdided April 5, 2016

by cornbread August 7, 2003
