Speng 

Often used to call someone an idiot or a spasticated cunt in British area of the world.

You are a f-ing speng mate.

Speng by DholeeMan April 29, 2016

speng 

An idiot, dumbass fool etc.

"You're such a stupid speng"

speng by Anonymous July 28, 2003

speng 

Speng originated from North West of England. It describes the ultimate ass, idiot, dumb dumb etc

basically c**t but socially acceptable

nice one you speng

you are such a speng

speng by BigWigga123 July 1, 2016

Speng 

British slang for an idiot or a fool.

Hey Harry you are such a speng!

Speng by Doggie lover 69 September 21, 2017

speng 

an idiot who cannot keep their mouth shut at inappropriate moments

ryan beaumont is a speng

speng by etherealwyatt July 7, 2019

Speng 

A word used to describe a person who has done an idiotic action. Bit like "nutter".

You absolute fucking speng.

Speng by Da Big Bad Wolf February 4, 2018

Speng 

A idiot

Boy: you a Fucking speng
Boy: fuck off

Speng by JackCarrol January 12, 2017