Thumbidextrous 

The ability to use both thumbs equally well for texting and/or mobile gaming

Though not ambidextrous at all, since acquiring a cellular phone, Dan has come to be thumbidextrous.

Thumbidextrous by DragonnHAIL! n September 12, 2016

Tambidextrous 

Hitting it at night, and then again in the morning

Yeah, I got it again in the morning, you can say I'm Tambidextrous

Tambidextrous by ACP lifee April 12, 2011

Thumbitextrous 

Able to text with both thumbs equally well.

If Elvis had lived to see the use of cell phones he would have undoubtedly been thumbitextrous.

Thumbitextrous by El Guapo Chalupa May 23, 2012

Tambidextrous 

Being ambidextrous with a tamborine. The ability to play the tamborine with either your left or right hand.

My right hand started to ache playing tamborine so i swapped to my left hand. Good job im tambidextrous

Tambidextrous by Andrew Chester April 1, 2017