gremlin
Pronunciation:
/ˈɡɹɛm.lɪn/noun
Definitions
A mythical creature reputed to be mischievously inclined to damage or dismantle machinery.
(by extension) Any mysterious, unknown source of trouble or mischief.
Example: We rechecked everything, and we suspect gremlins in the database.
A young inexperienced surfer.
Synonyms:gremmiegremmy