geoff: did you see briggsy at ng1 last night?  ringo: why, what happened?  geoff: he held someone down and gave them a right good art scratching
the act of rubbing ones stubbly, unshaven chin against the buttocks or around the anal area of a willing 'victim'
"geoff: did you see briggsy at ng1 last night?  ringo: why, what happened?  geoff: he held someone down and gave them a right good art scratching" What is the definition of "art scratching"?