Cocktail eyes

When someone you are talking to at an event us constantly looking over your shoulders to see if there is someone more important or worthwhile to move on to (British)

Andrew has the worst cocktail eyes of any author in London - always looking for his next schmoozing target

the english goodbye

Used by Europeans, especially from central & eastern Europe, to describe a passive aggressive person who wants to say "no" to a proposition but is either too embarrassed or feeble to come right out with it, so drags things out until you get bored and/or get the message. Based on the alleged characteristic of the English who drift away from parties without really saying "goodbye"

Vlad: these guys have been negotiating for weeks but they never get to a decision
Boris: give up - their giving you the english goodbye, mate