look up any word, like darude - sandstorm:
 
1.
The sore or sometimes flattened index or dialing finger used in making numerous phone calls.
Lee: Hey did you hear that Ted broke his leg and can't play softball this weekend.

Doug: Yes, I now have "Digitalis" from calling everyone in my address book trying to find a new short stop!
by Busted50 April 03, 2010
 
2.
to use the fingers to pleasure somebody
digitalis me please!
by hadokaka March 26, 2008