How to spread rumour effectively?

Yesterday, A & B are chatting whilst on the train.

B: How do you think of the boys in the class?
A: C's lips very nice.
B: (immediate response) C's lips very kissable right?
A: ...I didn't mean it that way. I am saying that C's lips are very nicely-shaped.
B: Haha, very kissable right?
A: ......errr....NO. I mean, the shaped very nice. The edge tilts up.
B: Kissable right?
A: ....................

The next day

D : A! C's lips very kissable right?
A : No lar! Where got?! I never say that hor. I said the edge tilts uplar. Nicely shaped.

E : What happen?
D: A says C's lips very kissable lor.
A: .............................................................................................