A funny conversation...

This is one funny conversation that took place between me and my friend Shridhar. It just occured spontaneously. Here it goes:
Kiran: hello
Shridhar: Hi Guruve
Whats up?
Kiran: thumps up
Shridhar: great
for what?
Kiran: for "whats up" :)
Shridhar: wonderful
so whats down!
Kiran: shutdown
Shridhar: great!
so what else?
Kiran: so, what's not great? :)
Shridhar: cigarate!
Kiran: super answer :)
Shridhar: :-))