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
JerÓNimo	he-RO-nee-mo (Spanish)	Spanish, Portuguese
Petur	-	Faroese
Romolo	RO-mo-lo	Italian
Deodato	-	Portuguese
Nonie	-	English
Noela	-	Galician