Idioms

A party animal: a person who enjoys going to parties.
Party Pooper: a person who spoils or ruins a party because of not taking part of the activity or by leavimg early.
Dance the night away: to have a great or an enjoyable time.
Bouncer: a person who is emploed at a bar.
Party foul: something socially unaceptable done in a social gathering.
Socially unaceptable: something that is looked down upon by the older generations.
Social butterfly: someone who is very social and easy going.
Wallflower: someone shy.
Party crasher: someone that invites himself in a party he isn't even invited to.
Wet Blanket: someone who ruin other people's good times.