The style of dodgeball that is of the upmost skill.
Wow! The purple Cobras upped their dodgy style this year!
Stains believed to be self generated, possibly/probably of body fluid origin.
As in:-
He had some "dodgy stains" on his tighty whities
An additional level of risk to a 'Danger Wank'.
You do the same as a danger wank but have to watch some weird fucked up porn, so if they do catch you it's way worse.
"Dude I'm grounded for 6 months and have to go to therapy because I failed doing a dodgy wank"