blacksliding 

Opposing an idea about which you were formerly supportive based on President Obama voicing favor for it.

Republicans used to like Merrick Garland before President Obama nominated him for the Supreme Court but now they are blacksliding.

blacksliding by LVann July 16, 2016

backsliding 

To go back to talking to, dating, or having sex with a previous ex. The backslider tends to be the person who broke it off, but not always. Friends must watch out for their friends who may be backsliding especially with those who have had a recent break up and/or if they don't think the two people should be together.

Everyone worries Rhianna is backsliding into an abusive relationship with Chris Brown.

backsliding by Catfish24 December 16, 2012

bachsliding 

the act of a married man reverting back to his bachelor ways when his wife is out of town; i.e. forgetting, or blatantly ignoring what his wife has 'taught' him not to do, such as leaving the toilet seat up, etc.

"Dude, did you notice Jay's house at the cookout? The dog was sleeping on the couch, everyone was drinking out of plastic cups, and there were no hand towels in the bathroom. His wife's only been away on business for a week, and he's already seriously bachsliding."

bachsliding by El Cpt. February 9, 2009

Backsliding 

Backsliding is the action of crawling back to one's ex.{Very popular}

Person 1: Dude, give me your phone

Person 2: What? Why?

Person 1: Because after this drink, you're going to call up Jen and try to get back with her...whatever she is.

Person 2: What? Naw, man...

Person 1: Yeah you will. You do it all the time. It's called backsliding

Backsliding by Girl Anonymous December 18, 2012

blacklining heinies 

To chug a heinekin bottle to the blackline. This is a drinking game becoming popular in Both the US and Canada. The person who is farthest from the blackline loses and typically buys the round or does a shot.

At the bar yesterday everyone got wasted blacklining heinies.

blacklining heinies by dbm7 October 18, 2008

Blacksgiving

The act of black friday shopping on Thanksgiving.

Let's go Blacksgiving shopping. I hear Big Asians 22 is on sale.

Blacksgiving by dfish22 January 7, 2015

backsiding

Someone who is being an asshole.

Why are you backsiding on me?

backsiding by MacPappy May 21, 2018