Patty has a viperine tongue!是什么意思？

Patty has a viperine tongue!

帕蒂说话最恶毒了!

Patty

n. 小馅

例句
Later on I'll be speaking to Patty Davis.
等会儿我会跟帕蒂·戴维斯谈。

has

v. 有( have的第三人称单数 )，（亲属关系中）接受，拿，买到；

例句
...the operation a patient has had.
病人做过的手术

viperine

adj. 毒蛇的，似毒蛇的；

例句
One of the serious complications of viperine bite is renal failure.
肾衰竭是毒蛇咬伤的一种严重并发症.

tongue

n. 舌头，喙，语言，方言，演说，鞋舌，[复]口才；vt. 用舌吹，舔，嵌接，[古]批评，指责；vi. 吹奏（管乐器），运用舌法发音，突出；

例句
He bit his tongue as he found himself on the point of saying 'follow that car'.
他想说“跟上那辆车”，话到嘴边又咽了回去。