“Aha!” is an exclamation that may express ridicule or triumph, and in some contexts joyful surprise.
Definition
“Aha!” is an exclamation whose meaning depends on context. It may express ridicule, triumph, or joyful surprise.
Biblical Usage
In the Psalms it is used by those expressing ridicule or triumph. In Isaiah and Job it can convey joyful surprise.
Historical Bible Dictionaries
Easton's Bible Dictionary
An exclamation of ridicule (Ps. 35:21; 40:15; 70:3). In Isa. 44:16 it signifies joyful surprise, as also in Job 39:25, R.V.