classy
Elegant, posh, or sophisticated. Ooh, the fine china tonight—how classy! Getting drunk at the gala is not a classy move, that's for sure.
classy-chassis
A woman's body, especially when it is very appealing. ("Chassis" is a name for the frame of a vehicle.) OK, so she's not a great conversationalist, but look at that classy-chassis! She must work out.