Self Dare Exhibition Challenge

I have to go get my semi annual bloodwork / urine sample test done soon at one of the local labs. 

I've been debating if I should attempt a little accidental 'exhibitioning' when I use the room with the little trap door in it, where you leave the collected specimen.

I imagine it could work a bit like this:

Wear selected pair of workout pants, which have no zipper, so they need to be pulled down so they're below and tucked behind my sack, so they stay down and out of the way while I'm doing my business into the sample cup. 

Story picks up at the lab facility.

Enter restroom and lock door.

Wash hands thoroughly per instruction.

Get sample cup and place within reach of toilet.

Lower the elastic waistline of pants and secure pants right below and behind ball sack.

Get alcohol wipe to clean off cock, thoroughly!

Grab cup and remove lid, setting lid down within reach.

Begin filling sample cup, and gauge time to start cutting off flow of urine so cup is very full, and hold in what's left in bladder for the moment. Flush toilet, (which may be a signal to the person on the other side of the trap door that I've finished.)

Obtain lid for cup and secure in place with just a little bit of fluid "sloshed" so that after opening the trap door, (which allows the tech in the adjoining room to eventually open their side of the pass-through/trap door to collect the sample cup)...then I hesitate a few moments, then I grab a paper towel to wipe off the cup and place it into the pass-through/trap door.  (Pants have not been pulled back up yet.)

Then put sample cup into trap door and close it and see if I can make it sound like it closes securely, but let it open again, or make it sound like I have trouble getting it to close, so tech isn't sure totally either way.

Then stand back over at the toilet and wait, cause you know it takes a little bit to relax enough to start urinating again... wait...wait I bit more, but don't look over at the trap door because that would give it away if they look in... 

Then try timing it to see if I can begin peeing just about when the tech opens up their trap door to pull my sample cup out, just in time to see a perfect side view of me and my cock with a steady stream resuming again into the toilet now.

I look over, startled, noticing my side of the trap door didn't close, and I obviously can't turn to either side to hide myself, or step sideways and turn, without causing a potential mess, so I must just stand there till I finish. I might have a change of expression now, of embarrassment or being caught in a dilemma, or a bit of a sly smile, if the tech is still looking and didn't slap her side of the trap door shut right away!

I'm hoping of course, the tech is a pretty lady, and is interested in what she sees, and keeps watching. 

An exchange of winks might be all that's left of this brief fantasy, or maybe she steps out into the hallway after I flush, and hike up my pants, and wash up and step out of the restroom - to apologize profusely for accidentally opening the door on me, and reassure me to not feel embarrassed, and hopefully it won't happen next time, and when is my next appointment?!!