knackertwat 

Unpleasant person

You stupid knackertwat.
Shut up knackertwat

knackertwat by Stemax1960 November 20, 2020

knackertache

Also spelt as Knackertash
Used to describe a half grown moustache commonly seen on Knackers or Skangers in Dublin, Ireland. Comical to look at.

Ha ha Look at the knackertache on him

knackertache by green_ajah December 21, 2005

knackerwallet 

A wallet totally devoid of money; one typically filled with cobwebs and useless bits of paper.

I left my knackerwallet at the pub, but who cares, there’s nothing in it to steal anyhow.

knackerwallet by LS_GA May 14, 2014

knackertarded

so tired that you feel retarded

sorry m8 my heads a mess. i aint slept for 2 nights ya know... im knackered... knackertarded

knackertarded by thisissolaris March 6, 2026