Used to describe someone thick or frustratingly stupid. Based on the slang for a ladies downstairs area
Darren: "I sold my Datsun to this geezer who then crashed it and wanted his money back"
Tim: "urgh, what a complete Gammon Slipper"
Tim: "urgh, what a complete Gammon Slipper"
by QuantumMan October 7, 2016
 Get the gammon slippermug.
Get the gammon slippermug. •Average Gammon... Get out your salmon..?
•Callum: how'd your date go?
Oly: she was average gammon at best.
Callum: and did she get out her salmon?
Oly: Of course baba, eeaassyyy!
•Callum: how'd your date go?
Oly: she was average gammon at best.
Callum: and did she get out her salmon?
Oly: Of course baba, eeaassyyy!
by McCooks June 13, 2014
 Get the Average Gammonmug.
Get the Average Gammonmug. by lsav redeyes September 15, 2013
 Get the gammon pocketmug.
Get the gammon pocketmug. by ScrivenerUK November 23, 2018
 Get the Gammon foddermug.
Get the Gammon foddermug. by Ghandi's Child May 23, 2022
 Get the Gammon Bombmug.
Get the Gammon Bombmug. by DumbledoreFartsSoMuchCum April 29, 2019
 Get the Gammon Flagonmug.
Get the Gammon Flagonmug. The fuel that keeps the Brexit light burning and the delusion that the United Kingdom has the same economic leverage, global relevance and political integrity as the rest of the developed world.
No leverage, no relevance, just the a tank half full of gammon oil fueling a floundering united kingdom spiraling down the council gritter.
by Joe Smiff September 10, 2023
 Get the Gammon oilmug.
Get the Gammon oilmug.