Okay, so I just made this game up!

Essentially it's a game of exaggeration.

So you start with a person going:

I bet a (thing) !

And the next person says

I see your (thing) and raise you a (thing that beats your thing) !

rinse repeat until it's far too overblown, at which point someone can just say 'I got nothing' and the game restarts.

example
--

I bet a chicken.

I see your chicken, and raise you a horse!

I see your horse, and raise you a dragon!

I got nothing.

I bet a wristwatch!

I see your wristwatch, and raise you an alarm clock!

I see your alarm clock, and raise you a pillow over my head!

I see your pillow, and raise you a mattress!

I see your mattress, and raise you a futon!

I see your futon, and....


You see how this goes.

I bet a bowtie!

I see your bowtie and raise you a suit.

I see your suit and raise you a top hat and tails!

I see your top hat and tails and raise you a drumstick!

Uhm... okay... I see your drumstick and raise you a banana split!

I see your Banana split and raise you a Titanic Sundae!!

I see your titanic sundae and raise you an ice cream cake!

I see your ice cream cake and raise you a bowl full of ramen!

I see your bowl of ramen and raise you an all-you-can-eat sushi dinner!

I see your sushi and raise you a plate of wasabe!