Mental Erection

Getting your hopes up. It's also called an unwanted mental erection, when you get your hopes up, but have a really hard time trying to bring them back down. Like an erection in public.

A: "He's so cute! I think he was flirting with me in science."
B: "You sure?"
A: "Fuckin' mental erections"

by SparklyBoy September 16, 2011

mental erection

1.n.a feeling of bliss in your head when you connect with somebody in a way you never connected before 2.n. feeling of an erection except for mentally not physically

man when i was talking to that girl a couple nights ago we just connected i got a mental erection.

by godking superdum November 9, 2009