Undorsement 

Undorsement is the act of paying someone to NOT endorse you or your brand. The opposite of "endorsement"

Wow, The Situation was offered quite an undorsement by Abercrombie & Fitch

Undorsement by TheCompletelySeriousNewsShow August 23, 2011

Unforsequins

Tacky clothing decoration (i.e. sequins, beads) that goes unseen when the apparel is hanging between other items on the rack, causing anguish when a customer removes the item from the rack and discovers the ruination of an otherwise purchasable textile.

I thought I had found the perfect blouse, but I pulled it off the rack only to discover that unforsequins covered it in a sash-like spray from shoulder to waist. There was no way I could buy it.

Unforsequins by Jenszi August 18, 2011

unforseen consequences

A supposedly "intelligent" excuse given in business and legal affairs that translates to "we didn't do our homework and check up on what could happen, so your money is gone, have a nice day."

Due to the unforseen consequences of 9/11, the US government has decided to declare war on Iraq.

unforseen consequences by Gumba Gumba April 7, 2004

undorse 

un·dorse /enˈdôrs/ Verb
1. Renege one's public approval or support of.
2. To not recommend (a product) in an advertisement.

Also: Undorsed, Undorsement.

In its latest publicity stunt, the racy teen retailer is offering to pay Mike "The Situation" Sorrentino — the "Jersey Shore" reality show cast member known for showing off his abdominal muscles, to not wear its merchandise. Abercrombie, effectively undorsed The Situation.

undorse by Nabeel S August 21, 2011

Unhorsed

To separate someone from their horse usually forcefully. eg to push someone off of their horse

Diego unhorsed Johnny then turned to him and said “now you’re unhorsed”

Unhorsed by Smiladon_populator August 8, 2022

Undorse 

The act of telling people who NOT to vote for, buy from, or otherwise support.

As a staunch Republican, I will undorse Hillary Clinton in '08.

Undorse by Mandy Connell April 3, 2007

undorsement 

When the brand pays a celebrity to ask them not to use their product for fear that it would tarnish the brand.

Opposite of endorsement.

The Situation received an undorsement when Abercrombie & Fitch offered him "a substantial payment" not to wear its clothes after it revealed it was "deeply concerned" that the 29-year-old "could cause significant damage" to the brand's "aspirational nature".

undorsement by Batman Potato August 25, 2011