Pro Boner 

For the good of the penis

Pro boner bro, You gotta fuck Lauren to get to the Angie. Angie's worth it.

Pro Boner by Fonzie Shake November 2, 2010

hair boner 

Pretty much a cowlick or when one section of your hair sticks up and will not go down for a matter of time or without the help of hair products and such.

"Matt, fix your hair. You have a hair boner."

hair boner by Super Special Awesome Person March 27, 2008

semi-boner 

When ones penis is no longer erect, possibly either after blowing ones load, or just losing an erection. A semi-boner is often used for playfully slapping ones friends in the face while they sleep for a hilariously good time.

To try and piss my friend off, I got a semi-boner and helicoptered it around in his face.

semi-boner by BLICK12 May 4, 2006

Nipple Boner 

When your nipples become hard and stick out.

Tom "He i can see her nipples through her shirt."

Jim "Ya, she has a nipple boner."

Nipple Boner by jimbo4444 July 25, 2012

Vagina Boner 

Noun -an enlarged and rigid state of the vagina, typically in female sexual excitement.

"Lydia had a vagina boner when checking out Flush Studios.com"

Vagina Boner by Saucy_Jack June 24, 2009

Wind Boner 

The act of erecting ones penis due to extreme wind activity.

i.e. Skydiving, motorcycle riding, and even a really windy day can all lead to the erection of a wind boner.

Wind Boner by Every_one March 31, 2008

Marco Boner 

When a blind man pops a chub

"I found it awkward at the Stevie Wonder concert when he covered TLC's smash hit "No Scrubs" while sporting a Marco Boner."

Marco Boner by House Vista January 29, 2009