A delicious ring shaped pasta usually filled with parmesan cheese. Can be served with marinara sauce or the more popular cream sauce (which was extracreamy the last time you had it because you didn't tip the waiter well enough the time before. you cheap bastard).
Johnny: "I'm gonna get me some tortellini."
Janet: "Didn't you say it tasted likesemen last time?"
Johnny: "Yeah, but I kinda liked it."