Imagine making dirty jokes without words to HR, your boyfriend, while him and Cisco are having a serious discussion and he gives you the No No look and you make even more dirty jokes with your body language. He just rolls his eyes, he starts mouthing songs about sex like, "Ride" by SOMO and you blush and he sees it and then Cisco catches on and leaves to go gossip to Barry and Caitlin about what you two are doing.
( "What do a penis and a Rubik's Cube have in common?
The more you play with it, the harder it gets. " From a Google suggested website)