Hey! Not sure why it's showing up in the drop down as it's not in the tag set, but it is over 100 characters and can't be nominated in it's current form. Would any of these work for you, along with details as to what you'd like to see in the tag in your request? If not, if you can word it less than 100 characters I can take care of getting it in there for you.

Covert - Trying and Failing to Stay Quiet While Being Fingered in Public
Covert - Trying to Stay Quiet While Being Fingered in Public
Dubcon - A Being Fingered/Groped in Public And Trying to Stay Silent to Not Let On
Scenario - public fingering with long skirts to conceal what's happening
Semi-Public Sex - fingering asshole with clothes still on