look up any word, like fleek:
 
1.
A problem of some kind. Refers to the neck of a bottle because it is narrower than the rest of the bottle and less liquid can flow through it at one time. The flow can also be of data when talking about computers or procedure or productivity when used in a business meaning. The term can be used to describe various problems such computer problems and business problems to name a couple.
"That video card is a piece of crap, it is nothing but bottle neck after bottle neck with it." Refers to a computer problem.

"This computer can only handle 512 megs of RAM, that is a huge bottle neck." Refers to a computer problem.

"The old phone transfer system was causing major bottle necks in our productivity, I'm glad the replaced it." Refers to a business problem.

"The fact that this copier can only hold 100 sheets at a time is a major bottle neck." Refers to a business problem.
by IceWarm January 25, 2006
 
2.
A co-worker who takes so long to do their job they make every project take longer than it should.
We would have been done with this project two months ago if Dante wasn't such a bottleneck.
by SafeGoat August 04, 2008
 
3.
Computer-related definition: A part of your computer internals is slowing your entire system down.
Example of a Bottleneck: Your GPU is higher-end compared to your processor, but your processor isn't powerful enough and prevents your GPU from working at full potential. This is also known as bootlegging.
by The Elder Hobo October 22, 2013
 
4.
When someone or something prevents you from drinking. The alcoholic equivalent of a cock block.
Lloyd: "Last night was a string a bad judgement and dirty women, where was your ass at?!"

Keith: "My girl made me take a public oath of alcoholic abstinence, she's totally bottle necking me."
by thirsty for some jack July 29, 2011
 
5.
To be able to strech a girls asshole so far to be able to blow on it and it would make a whistle sound.
i bottle necked that bitch.
by Matthew and Celeste February 24, 2005
 
6.
1: (n.) A woman who can successfully deepthroat to completion without gagging.

2: (n.) A woman with no gag relfex.
1: Wow this girl I took home from the bar was definatly a bottleneck. She took the whole thing and wasn't when I finished.

2: She's definatly a bottleneck, she had no gag reflex at all.
by SweetAssAce December 11, 2009
 
7.
When something or someone in your life just does not allow you to succeed.
Vasyl's life is permanently bottlenecked by his clingy girlfriend.
by Exodus 4:10 September 14, 2014