Bottlenecking 

when you stick your flaccid penis in a bottle then make it go erect inside the bottle

911 whats your emergency
I was bottlenecking and now my dick fell off

Bottlenecking by Jpl Gaymes March 23, 2017

Bottlenecking 

Removing the cap of a beer bottle in one's anus while using said beer bottle for anal stimulation.

I was bottlenecking the shit out of her, but afterwards the beer tasted terrible.

Bottlenecking by The Real Big Cheif June 13, 2011

Bottlenecking 

When the skin of a circumsized penis comes over the head, especially when cold.

Dude, check it out, I'm bottlenecking!" "Aw, dude, put that shit away!"

Bottlenecking by Penn's May 22, 2011

bottlenecking 

using pedestrian roadworks to such an effect that conversation can be struck up with a random member of the public with a view to taking them back to your place to rut

"How did you pick her up?"

"I bottlenecked her on Kilburn High Road"

bottlenecking by Alistair Drummond February 16, 2005

bottlenecking 

Using a bottle, preferably a glass one, to aide sexual stimulation.

"The young doctoral intern was astounded to find the farmer's penis lodged inside of the coke bottle while bottlenecking."

bottlenecking by b-run July 31, 2007

Bottleneckin'

For one to drink straight from the bottle while consuming alcoholic beverages, preferably liquor.

"Well, we ran out of cups so it look's like we will need to be Bottleneckin' it tonight."

Bottleneckin' by Skullnbonez May 3, 2010

Bottle Necking 

The act of holding a bottle by its neck. Commonly seen at parties, inexperienced drinkers do it to look cool, holding the bottle awkwardly by their side. As they become more intoxicated, they will become more and more protective of their drink, just to make it obvious that they are DRINKING ALCOHOL!!!1one1

"Look at that bottle necking buckhead!"

"OI! Jermaine, quit neckin' that bottle and come help me bury this corpse"

"Man, Tobias is a total bottle necker"

Bottle Necking by Daveypants December 30, 2005