Pocket Bottle 

A bottle of liquor in which you take with you to typically to events in which they usually dont sell liquor or in which the establishment may sell liquor but it's over priced.

Example 1.

Johnny says hey Jim lets go to the cubs game tonight.

Jim says to Johnny well I cant go because I dont have a lot of money.

Johnny says its ok lets just get pocket bottles.

Example 2.

Kim says to Johnny you want to go watch a movie?

Johnny says ok sure but let's get pocket bottles since they dont sell alcohol there.

Pocket Bottle by Preston Walters September 21, 2009

Bottle-holder Pocket 

"You mean a cup-holder pocket?"
"Nah, dude! Cups could spill!"

{bot-l-hohl-der pok-it} noun, plural Bottle-holder Pockets {-its}

The netting on the outside of a backpack (bag, fanny pack, etc.) that is made specifically for holding water bottles.
Not to be confused with a "front-zipper pocket."

Slate: Hey man! Could you get my bottle of jank (jenkem) out of my backpack?
Ray man: Sure, dude.. Wait I can't find it. Are you sure it's in here?
Slate: Yeah, chief. It's in the Bottle-holder pocket.
Ray man: Oh. Jeez. Found it. Here you go.
Slate: Nah, nig. You take browns.

Bottle-holder Pocket by refinedhippie November 2, 2012

Pocket Battleship 

1.) Any German warship built between the mid 1920s and late 1930s.

2.) A reference to an extremely squat yet powerfully stacked individual. A short fat person or someone who is wider than they are tall. Can also be an individual who works out excessively so they look too built for their size.

Webbo: Fuck me, did you see that bird walk past then - she was a fridge!
Baggers: yeah, she was a proper pocket battleship.

Pocket Battleship by Baggers80 August 23, 2010