mixing the paint
Sticking it one hole then the other.
Mixing the paint is not a rusty trombone...it's the other hole.
Mixing paints
Masturbatingthrowing one off in secret!
Famous TV artist Tony Hart is in is bedroom wanking to classical music.
Mum:"Are you ok Tony?"
Tony:"I'm just mixing my paints mother!"
Mum:"Are you ok Tony?"
Tony:"I'm just mixing my paints mother!"