The sources checked do not record Kuddl as a name or as a word with a meaning.
Affection
Cute
Brown, Gray
Small
Unisex
English
K
5 Letters
No documented meaning; recorded as a rare given name in American English
A surname
An English surname
Shortened form derived from 'nob' meaning a small, rounded part or an affectionate term.
A feminine given name recorded in modern English