double-agent 

An espionage agent who guises as working for one authority but is actually uses his/her given information to report back ot another authority, or possibly using it for personal gain.

The Kremlin had greater success with double-agents than the white house.

double-agent by Kung-Fu Jesus April 29, 2004

double agent 

Someone who is friends with 2 people/sides that don't like each other. And will share gossip from each side with the other.

I thought April was my friend but she told Erika I called her a cow. I think she's playing double agent.

double agent by plastic hawaiian April 16, 2009

double agent 

a person that you think is a good friend,but then turns out to be anything but cool. Usually reserved for longtime friends gone bad.

After out trip to Siam, that fool turned out to be a total double agent; he tried to start macking on my girl.

double agent by nolipz October 22, 2003

double agent 

This is the shit you thought was a fart, but when you decided to go for it, you let out a colossal shit that rattled the earth.

Fuck, I thought I had to fart, but it turns out I have met a double agent.

double agent by DickMan69 September 11, 2013

Double Agent 

a secret bisexual

I saw Mike kissing Lia yesterday, but today he's kissing Dylan, I think he's a double agent.

Double Agent by SwaggyM34 January 1, 2015

double agent 

A bisexual.

I swear he's a double agent...

double agent by Karl Steiger January 31, 2004

Double Agent 

When a friend of yours likes one of your family members, and you don't know if they are coming over to hang out with you, or see them.

Kaleb likes my sister, he is such a double agent.

Double Agent by 7.2.6 November 23, 2015