| n. | 1. | One who whacks. |
| 2. | Anything very large; specif., a great lie; a whopper. |
| Noun | 1. | whacker - something especially big or impressive of its kind Synonyms: whopper |
| whacker - [University of Maryland: from hacker] 1. A person, similar to a hacker, who enjoys exploring the details of programmable systems and how to stretch their capabilities. Whereas a hacker tends to produce great hacks, a whacker only ends up whacking the system or program in question. Whackers are often quite egotistical and eager to claim wizard status, regardless of the views of their peers. 2. A person who is good at programming quickly, though rather poorly and ineptly. |