Oarcing
Oarcing is when a guy jerks his legs in a weird way to get a boner, usually when no one is looking, and he’s too proud to stop.
He was oarcing in the library like he was trying to get a library card and a hard-on at the same time.
My brother was oarcing during the movie. He got caught.
He was oarcing in class so hard the teacher thought he was having a seizure.