back pocket 

having someone of importance at your disposal to help further your own agenda. usually involves kickbacks of some sort.

it's a well known fact that many corporations have politicians in their back pocket, thats why it seems like they're the ones really running things.

back pocket by hipster September 6, 2004

back pocket 

to keep a crush/potential crush in mind for later on when you need a date.

if things don't work out with bob, well, I've always got bill in my back pocket.

also: man, I've had bill back pocketed for years! I cant beleive we finally went out!

or: you can't trust margo, she's always got at least four dudes back pocketed.

back pocket by shilojean May 19, 2006

back pocket 

Referring to a member of the resume of individuals you have engaged in sexual relations with, therefore making them, essentially, sloppy seconds to anyone else. Often not mentioned until an acquaintance is already involved in a relationship with the said person.

I have no issue with Matt asking her out. Bottom line is I’ve got back pocket. It will absolutely disgust and drive him nuts whenever it comes up.

back pocket by CharlieHustle October 20, 2010

Back Pocket 

A person who is rarely invited but follows a group or person around all the time.

"Trust me I didn't invite her, she just follows me around like a back pocket".

Back Pocket by Ryan Mclionson November 14, 2010

Back pocket 

A term used in football to regard a defender easily tacking the attacker

We played a game of football today. There striker was shit, he was in my back pocket all game

Back pocket by UgandaSonic January 10, 2018

Back Pocket 

The agonizing place a Codenames clue ends up when a Spymaster doesn't have the basic skill of relating words so it can be used on the next turn.

WTF is that Jenette? That's going straight into the Back Pocket!

Back Pocket by pigeon nose January 28, 2022

Back Pocket Bulge 

The bump in the back pants pocket that results from a man having a lot of cash money in his wallet.

Ladies, when it comes to the back pocket bulge, size DOES matter.

You know what they say about big shoes...
He's got a big back pocket bulge

Back Pocket Bulge by notoriousLOG September 17, 2012