Jerk off definitions

Jerk-off

1) Slang for masturbate
Found on https://www.crosswordclues.com/clue/jerk-off

Also Kevin cooper (creator of) and Distinctive media (member of), by the same anon user. The `Kevin cooper group` is local to Bristol, UK and has existed since 2000. The web site advertised in the article is the 20th item picked up when googling for `kevin cooper group`. Listed as a small company by the UK companies house , meaning < 50 employ...
Found on http://en.wikipedia.org/wiki/Jerk_off