Having the ability to write and send text messages with either or both hands.

Created by Boy Sam and Girl Sam on August 9, 2007 at a Band of Horses concert.
Boy Sam: OMGZ you totez just broke your right hand! HOW WILL WE COMMUNICATE?!
Girl Sam: Don't worry about it, bro! I'm ambitextrous!
by Girl Sam March 26, 2009
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When you can VERY EASILY type on your phone with both thumbs, your left thumb only, or right thumb only.
That dude’s always typing with a different thumb or both

Yea. I heard he’s ambitextrous.
by x50ShadesOfFckdUp July 18, 2018
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