Maybe you should go for being almost as direct as possible.
If you sneak up behind her and give her a tap on the shoulder with your erect penis* and then say “I think you’re hot. We should do it. Big Olaf likes you, too,” you’re liable to get a poor response. The lady in question might be so discombobulated by the rush of blood to her uterus that she accidentally runs screaming from the room and calls the police.
Tenebras
- 10 bonus points if she’s standing at the time.