Definitions by KP:

blow a smoke ring 

To show disinterest, to exhibit a Cavalier attitude, or to show irreverence.

"I told him that the framus was bent, and all he did was blow a smoke ring!"

"I warned her that Teddy would leave her for good, but she just blew a smoke ring."

blow a smoke ring by KP: August 20, 2006

it is what it is 

Usually said about something that has no frills, not perfect, more than a little to apologize for (but probably NOT delineated), not much to be said for it, but offered for face value.

"Is the 1969 Nova you're offering to sell for $150 a pretty good car?"
"Well, it is what it is."

it is what it is by KP: July 11, 2006

jacked up 

Refers to pricing of items for sale. Generally implies that the marked price is higher than the item is worth for marketing reasons (to get a higher discounted sale price), or raised due to high demand (gouge price).

Some sale! These prices are all jacked up!
The car price is jacked up $3000 over list because no one has any left on the lot!

jacked up by KP: July 11, 2006