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1.
to be equally proficient at murder with either hand \ derived from TV show “Dexter”
Well, I’m no Sherlock Holmes, but I’d say our suspect is ambi-Dexter-ous.
by elsquid October 21, 2012
 
2.
Someone who can write with both right and left hands
I am ambidexterous. I can write with both right and left hands.
by Lornapie July 11, 2005