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1. A battlebot which often destroyed it's opponents in a single blow from it's rapidly spinning hammers. The sheer dominance of the robot over it's competition was of note.

2. To complete a task in such a way as to completely obliterate all previous attempts at the same task.

3. To win a competition with minimal difficulty, defeating all opposition handily.
When Michael Jordan played basketball in the early 1990's, he completely Whyachied the rest of the NBA.

Man 1: "Last night I bowled a 288."

Man 2: "My best score was only 47."

Man 1: "I totally Whyachied you."
by Hunter Orion January 30, 2010
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