also: いばりんぼ · えばりんぼ · えばりんぼう
bossy person; braggart; overbearing person
Colloquial, often used for children or in light teasing. Describes someone who acts self-important, throws their weight around, or boasts excessively.
See also: 威張る
My little brother is such a bossy boots, always ordering everyone around.
あの子はテストで百点取ったって、いばりんぼうみたいに自慢してたよ。
That kid was bragging like a big shot about getting a perfect score on the test.
Common colloquial variant, slightly more casual than いばりんぼう.
Rare variant; the え reading is less common and may sound dialectal or old-fashioned.
Rare variant combining the え reading with the longer ending.
Kanji spelling; rarely used in practice, and the reading may not be obvious.
Derived from the verb 威張る (いばる, 'to be arrogant') with the colloquial suffix ん坊 (んぼう/んぼ), which often forms playful or teasing nouns for people with a certain trait (compare けちん坊, 食いしん坊). The exact origin of the suffix is uncertain, but it likely comes from 坊 (ぼう, 'boy') with an inserted ん.