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
TÖMÖRbaatar	-	Mongolian
Ulf	-	Swedish, Norwegian, Danish
Anson	AN-sən	English
Floyd	FLOID	English
Micaela	-	Italian, Spanish, Portuguese
Emiliano	e-mee-LYAH-no	Spanish, Italian