hob nob ===socialise  

fuddy duddy ===uninteresting 

hoity toity ===supercilious

big wigs ===important people  

hey day ===at his most successful time 

kow tow ===accept without question  

bee's knees ===someone to admire  

a des res ===very attractive house  

fat cat ===wealthy business man 

hocus pocus ===nonsense 

pow wows ===conversations 

argy bargy ===arguments  

tittle tattle ===gossip 

hot shot ===well known entrepreneur 

wheeler dealer ===someone who does business in an underhand way 

hum drum ===boring 

dream team ===ideal partners

brain drain ===talented people leaving their own country to work for better pay in another