Feldman frotteurism
A specialised form of frotteurism which is performed in art galleries during a busy exhibition. The Feldman frotteur will then scrape his secretions from his y-fronts and add them to his paints. Usually done by aging yellow-haired ex-hippies.
So why were you put on the sex offenders' register?
I was caught committing Feldman frotteurism.
I was caught committing Feldman frotteurism.