cranerection 

a boner of one's mind, a stroke of genuis

"woah, hitler did NOT have a cranerection."

cranerection by cranerection October 21, 2019

cinerection

When a movie is so good cinematically that it gives you an erection

"Dude did you see the new Star Wars last night?"
"Bro..that movie was so good, it gave me a cinerection!"

cinerection by chiefbrodyrules August 14, 2016

Ranerection 

Getting a random boner

If your in a public place and your penis gets hard for no reason, that's a ranerection

Ranerection by Yeye the neegie September 1, 2018