Good signing 

Phrase or interjection gud sahyn-ing

Describes a favourable, perhaps splendid, action or object. Typically pertaining to a reflective thought, but may also be used to describe future events.

Also written as "guzaning".

Origin:
Believed to have originated from pub styled football chatter, "Reo-Coker for £8.5M is a good signing for the Aston Villa household".

"I just watched Body of Lies, it was a good signing."

A: "They sent me a backdated cheque of £250."
B: "Sounds like a good signing."

Good signing by vincevds1 April 14, 2009

Wham Bam Slamalam Federalist Papers Signing Jam 

According to television host Stephen Colbert, Alexander Hamilton's signature dunk during his youth on what would become the U. S. Virgin Islands. Colbert implies that Hamilton's execution of this dunk over Aaron Burr led to the famous duel which cost Hamilton his life.

The Wham Bam Slamalam Federalist Papers Signing Jam was
the most unstoppable move in the OTCBA (Original Thirteen Colonies Basketball Association)

Wham Bam Slamalam Federalist Papers Signing Jam by Bizzle fo Shizzle June 5, 2006

high signing 

Fronting, implying, or false advertising high social status or wealth through the use of fake jewelry and/or bottle service ect. to get more attention.

High signing Niggas got fake chains on in VIP, poppin bottles all weekend. And be broke by Monday

high signing by Bloka December 9, 2015

Ninja-Signing 

When an author secretly signs his/her own books in a bookstore without the bookstore's knowledge.

Brandon Sanderson is ninja-signing books in airports.

Ninja-Signing by jackatthekilns November 10, 2009

scat signing 

A series of gestures that look as if they should be meaningful but are actually complete nonsense.

“Bottom dances pretty cool, but what’s he doing with his hands?”
“He can’t sing, so must resort to scat signing.”

scat signing by Bottom Ford, Esq December 17, 2010

Baltimore signing 

Signing a photograph with a cock ring.

The DJ WAS Baltimore signing his photos.

Baltimore signing by steadyfreddie April 22, 2011

cheerleading or co-signing 

Giving your opinion when your not part of the conversion. ....when its neither wanted nor needed.

The guy piped up from the peanut gallery with some shit that had nothing to do with what we were taking about, then someone shouted "hey fucko, we don't need any cheerleading or co-signing! "

cheerleading or co-signing by Wooderbone March 28, 2017