drunk by proxy 

Acting drunk despite being sober due to the fact that your friends have been drinking, usually dancing/singing along to music that you dislike etc.

Comes with the unfortunate side effect of being able to remember the events the following morning.

Dude, why were you dancing last night, I thought you hated that music" "Yeah, normally I do, but I was drunk by proxy. I did some pretty embarrassing stuff

drunk by proxy by Darkara42 June 2, 2010

drunk-facebooking by proxy 

The act of drunkenly communicating with someone indirectly on Facebook, either by posting to a mutual friend's page or updating your status. Typically occurs after fights or break-ups.

Tom: What's up with Kristen's Facebook status? It says "Can't believe how things work out sometimes... Guess some people can never make up their minds."

Jane: She's drunk-facebooking by proxy. She just wants to show Will she thinks their break-up is his fault.

Tom: Is that what she was doing yesterday when her status said something about drinking away her troubles?

Jane: Exactly. You have sure mastered the meaning of drunk-facebooking by proxy

drunk-facebooking by proxy by allegrad July 1, 2009