i've noticed a few in my time, but the only one i can actually remember is this moment from a recent yummy scene with the divine Vivan Lola
Vivan is on her back and the team are employing Max Hardcore's legendary pipe and speculum trick, and the clear plastic tube they use tells its own story
at first the fluid passing through the tube is clear... and then it really is't
fortunately Vivian is paying attention to what is going through the tube and notices it in time to spit it out as it hits
unfortunately the male cast notices it too late to move the tube from her mouth to the floor to divert the contents, which would have been the gentlemanly thing to do
whether the male performers were too busy admiring Vivian to notice? or have a very dark sense of humour? or are just secret sadists? we shall never know
but Vivian is a consumate pro. it probably wasn't the high point of the shoot for her (although maybe it was, and behind her cute blonde exterior she nurtures dark fantasies we cannot begin to imagine), but she rises above it and the scene just gets better as it goes on
so huge respect to Vivian for not freaking out, calling cut or storming off set during this episode. and if you haven't watched that scene yet you need to buy it immediately, because it's one of her absolute best