mini boner 

(n)When ones penis is at the midway point of being fully erect, yet it does not fully hard and protruding upward, thus creating the illusion you have a very large flacid penis.

"As I showed them my cock, they thought it was huge because of the fact I had a mini boner, yet they thought that was the actual flacidity of my penis."

mini boner by kasjdhaksjdh January 14, 2008

No Reason Boner 

Definition 1: An erection for no apparent reason. It can happen any time and anywhere. Super embarrasing.
Definition 2: A song made by Ninja Sex Party in the album Nsfw.

1: Danny Sex Bang: I like coleslaw, but not that much! No reason boner.

2: Person 1: No Reason Boner is the story of my life.

No Reason Boner by Golden Inferno August 2, 2017

heart-boner

To be overly joyed and extremely excited...in the chest.

Chi: I just saw the dark knight.

Aadhie: so?

Chi: I...I..I got a Heart-boner!

Aadhie: What the crazy?...What did you get?

Chi: a HEEEAAARTT-BOOOONNEERRR!

Aadhie: dontuuchmee!

heart-boner by michael chi October 13, 2008

life boner 

(n)an incredible moment in one's life which elicits the most excellent sensation known to mankind.

Person A:Dude, I just got the largest life boner you could ever imagine!

Person B: What happened?

Person A: I WON THE LOTTERY!!!

Person B: Oh mylanta. You just gave me a life boner, too!

life boner by mattrupp January 12, 2010

Soul Boner 

When you do so much good (helping others, donating to charity, ETC.) that it actually excites you.

"I've done so much good... I have a soul boner." -- Neil Patrick Harris from How I Met Your Mother.

Soul Boner by Jason Piche December 28, 2005

prepubescent boner 

Kids on HALO 3 live, also known as high pitches, who say they're having sex, but really they're nine and just have a prepubescent boner

im a little kid on X Box live, I have a prepubescent boner, let's go hump pillows. (Him to his brother/friend (male))

prepubescent boner by Boner lovin' November 7, 2007

freedom boner 

when you get an erection from doing something epic or doing something that requires bad-mother-fucker-ness

zach and andrew were talking about basic training and after basic zach said he had a freedom boner

freedom boner by mothafucka-jones August 4, 2012