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
MelİS	-	Turkish
Laine	LIE-ne	Estonian
Ileana	[ai'li:nə]
ÓLavur	-	Faroese
Ralf	RAHLF (German), RALF (English), RAYF (English)	German, Swedish, Norwegian, Danish, English (Rare)
Irakli	-	Georgian