A general diagnosis of pain, discomfort, fear, regret or problems, regardless of the symptoms.
Jake- "I didnt fair very well in my job interview."
Ike- "Must be your pancreas".
The most beautiful, perfect woman that God ever created. There are no earthly words to describe her beauty and awesomeness. She's just Nat.
Did you see that girl??? Who that girl? Yes. Oh yes, she's so Nat!