That is a pretty nifty car you have there.Yes, it is nifty.
nifty
1.adjective
smart, fashionable, fine, splendid. Old-fashioned and affected; probably a corrupted 'magnificent' US, 1805
2.noun
the sum of fifty pounds sterling (£50). Not really rhyming slang, merely a convenient rhyme UK, 1999
nifty
Very good, interesting, or smart. Said typically of things. This nifty little device helps you locate your keys if you can't remember where you put them.That's a nifty bike you've got there! Is it new?
nifty
1. mod. neat; smart. That is a pretty nifty car you have there.
2. n. a fifty-dollar bill. (From nifty-fifty.) He paid me with a nifty and a domino.