Correct spelling for the English word "flea in the ear" is [flˈiː ɪnðɪ ˈi͡ə], [flˈiː ɪnðɪ ˈiə], [f_l_ˈiː_ ɪ_n_ð_ɪ_ ˈiə] (IPA phonetic alphabet).
"Flea in the ear" is an idiomatic phrase that typically refers to an irritating or vexing thought, idea, suspicion, or piece of information that constantly bothers or nags someone's mind, causing them to feel restless, agitated, or preoccupied. The expression finds its origin in the discomfort caused by an actual flea that stealthily moves about in one's ear, creating an incessant buzzing or itching sensation that is impossible to ignore or disregard.
Metaphorically, a "flea in the ear" represents a persistent mental disturbance, often resulting from an unresolved issue, a nagging doubt, a grating remark or criticism, or an unresolved problem that continuously occupies one's thoughts. Just like an actual flea, this bothersome idea or concern seems to be constantly present, causing mental uneasiness, restlessness, and distraction.
The phrase is commonly used to describe a situation where someone feels deeply bothered or troubled by an unresolved matter that they cannot easily dismiss from their mind. It can also be employed when a suspicion or an accusation lingers in someone's thoughts, causing doubts, paranoia, or uneasiness. To have a "flea in the ear" can have an impact on one's ability to concentrate, think clearly, or enjoy peace of mind until the underlying issue is resolved or clarified.