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The legs of a double amputee that, when he or she is excited, are knocked together in a rapid or hurried fashion.
Taken from the greek word nubulous knockulous meaning "short legs".
1. Nubulous Knockulous has awaken from his slumber.
2. Billy's nubknockers grew swollen and inflamed after he received a trophy for the fastest Nubknocker to cross the finish line.
by Barkely Butthammer April 13, 2004
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