that's dirrtay!

Comes from the word dirty it emphasizes the word to add more personality and feeling, making it a creative phrase. By saying "that's dirrtay" you're not necessarily saying that's actually nasty or gross, but you could be saying that's "hot" or that's "cool" the phrase could also be used after hearing some good gossip... there are different ways to use this phrase, but be sure to make the meaning you use clear.