Somebody coming up to you and thrusting private parts in your face is part of the experience if you chose to sit in the front row.
Good luck with claiming that is an assault, or some kind of crime.
What the hell school did you go to?
Nobody I know expects to go to a party and have someone shove their junk at them.
You may have some special reason for being so insistent about this, but I don't and I'm done with this topic.