Coon cannon 

A common nickname for a gun used on slaves. Slave owners used to threaten the negros

With their coon cannons.

Hey! If you don't get back to picking that cotton I'm gonna shoot you with my coon cannon!

Coon cannon by Coon cannon specialist April 26, 2017

Coon cannon 

During the slave trade weapons may be used towards disobeying black slaves. If a black slave refused to work the will be punished with a weapon, this was called a coon cannon.

I swear to fucking god Tyrone if you don’t start picking that pissing cotton up I’ll whip out me fuckin massive Dong slap ye with it an then blow ye bastard head off with a coon cannon.

Coon cannon by Wet wipe April 17, 2019

concannon 

Ancient Gaelic word meaning discretion

Please handle the situation with concannon

concannon by RubyCosmo January 20, 2009

Concannon 

To take a 24+ point hit on your Fantasy Football team on a weekly basis.

Neil pulled a Concannon on his fantasy football again this week.

Concannon by NWfanfoot October 27, 2017