skun

The past tense of the verb 'to skin'.
The only oxford approved use of the word 'skin' as a verb in when describing the process of rolling a joint.

Such is the phrase 'to skin up'

However, when such activities have already happened and therefor are already completed the speaker may Use the word 'skun'

Bruno: Can you wrap that spliff now, geez?

L dog: Iv already skun up you nonce

Skun Scratcher

A hand made tool used to scrape the residue out of the stem of a skunnie,slang for meth pipe,so it can be smoked again

I gotta find or make a skun scratcher so I can finish,what's left in the skunnie and shut it down an sleep awhile