knees-up vs social

knees-up

• A party. 

social

• A festive gathering to foster introductions. 

• A social media account. 

• A dance held to raise money, often held for a couple to be married. 

• Of or relating to society. 

• Being extroverted or outgoing. 

• Cooperating or growing in groups. 

• Relating to a nation's allies. 

• Relating to social media or social networks.