Cool As A Zipper 

Slang for being be calm, relaxed, and ready to accomplish anything in front of them such as a stressful activity. This can be used after calming down after an emotional blow up.

After freaking out Allison took a deep breath and contained herself. Someone asked "Are you doing okay Allison?" to which she emphatically replied "I'm as cool as a zipper!"

Cool As A Zipper by dantemac253 May 26, 2011

Catching your dick in the zipper 

When drivers try to merge onto the highway zipper-style and the vehicles both on the merge ramp and in the lane of travel come to a complete stop.

You were nearly to work on time but you got hung up CATCHING YOUR DICK IN THE ZIPPER BECAUSE NOBODY ON 422 CAN FUCKING DRIVE!!!

Catching your dick in the zipper by #Fired December 17, 2019

Zipper Sex 

To have sex without even being naked…

Could be oral or penetrating sex…

Just opening the zipper and that's it

last Shaana and me had zipper sex… i even did not see her naked…

I did zipper sex to Joe in the movies… (a bj in the movies lol)

Zipper Sex by Rumentino September 1, 2011

Zipper Solo 

1.) A musical breakdown player completely on a pants zipper or fly. Originally devised by Kevin Cardinale.

2.) A clever way to piss off a pissant town in the northern New York region.

1.) The only way this song could be any better is if there were a zipper solo!

2.) He played a zipper solo, and now the town of West Port is chasing him with pitchforks and torches.

Zipper Solo by Cuz Kev September 1, 2005

zipper merge 

When the entering cars merge one by one into each space between the cars already on the road, like the notches on a zipper.

First used by Jon Stewart on The Daily Show on 8/25/10.

Jon Stewart: The hallmark of civilization is the every other car merge - the zipper merge - at tunnels.

zipper merge by selenology September 6, 2010

zipper 

an opening that goes up and down that is usually on articles of clothing or a bag of some sort.

My zipper came undone when we bent over.

zipper by eden March 14, 2003

zipper 

The opening gate to the vagina or penis

I pulled the zipper down eyes wide and said, "here what i'm going to put inside"

zipper by Anonymous May 1, 2003