be a (something) to (one's) fingertips

To be a particular thing to the utmost degree. Oh, I'm a student to my fingertips—that's why I'm now pursuing a doctorate.

Name	Pronounced	Usage
Orna (2)	-	Hebrew
Raffaello	-	Italian
AljaŽ	-	Slovene
Rohit	-	Indian, Hindi, Marathi, Bengali, Odia, Gujarati, Kannada, Telugu, Nepali
Sylvi	SUYL-vee (Finnish)	Norwegian, Swedish, Finnish
Shad (2)	SHAD	English