Balloon Butting 

Balloon Butting is when you stick a balloon into your anus and then have a friend inflate it to induce sexual pleasure, or you self inflate using a series of tubes/straws.

Hey did you hear that Paul was Balloon Butting?
Ya! It totally burst inside of him and he pooped out plastic!

Balloon Butting by RickyPJangles May 18, 2014

Batwings 

When one's scrotum sticks to the inner thighs due to sweating in the groin area. This situation can be nicknamed 'Batwings' because the image created by this scenario can resemble a bat and its wings. The shaft of the penis can be see as the body and the stretched scrotum to either side can be seen as the wings. Many males (and hermaphrodites) find this common occasion displeasing.

Batman: It sure is hot in this cave.
Robin: Yeah I know, I'm beginning to have batwings.
Batman: That was very unnecessary.

Batwings by How are you today? October 6, 2009

Nut Butting

When a man and another man ride a motorcycle together. Named that because the one mans nuts touch the other mans butt.

Paul: Hey Aaron, wanna take a ride on my new bike?

Aaron: Maaaannn, I don't want to go Nut Butting with you.

Nut Butting by Aaron East August 19, 2012

Head-butting 

When you have sex with a pregnant female. The term comes from the fictitious contact between the head of the erect penis and that of the infant.

"How was your night with prego Sally last night?"

"Let's just say we did some serious head-butting!"

"Niceeeeee"

Head-butting by ForeverBethBredl February 15, 2010

butting

to go infront of someone without asking while in a line

hey stop butting me!
he butt infront of me in line.

butting by Hila-cool July 9, 2007

Butting Heads 

Having a conflict with someone else.

I keep butting heads with my business partner because he doesn't think we should paint the conference room and I do.

Butting Heads by Dustin Clinton October 9, 2008

batwing shuffle 

-noun. A specific clumsy walk, performed by adult males, that is meant to release his sweaty balls from sticking to the inside of his thighs. This behavior is usually observed right after a man steps out of his truck after a long drive.

Oh man, my balls are sweaty today. I wonder if anyone in this shopping center parking lot notices me doing the batwing shuffle. It worked! That feels good.....

batwing shuffle by cdarucci July 10, 2011