mental boner

it’s like a regular boner but for your brain and is mostly revolves around a quality that you admire in someone.

The fact that she fills my mind with ideas gives me a mental boner.

by YuOfTheNight January 8, 2020

Mental Boner

Thinking of naughty things you could do to a girl without popping a boner.

Gabe: "Dude look at Amber dance."
John: "Yo! I had a Mental Boner looking at her."

by Candles18 July 9, 2011