gosther means to talk loudly and impudently; to boast or bluster.
Why “gosther” is a great word
To talk loudly, boastfully, or impudently; to bluster. Likely from Middle English *galstren* ("to make a noise or outcry"), possibly influenced by or related to Middle Low German *galstern* ("to demand shamelessly") and Old High German *galstar* ("chanting, incantation"). Unlike "bluster," which crackles with hollow intimidation, or "gossip," which slips away in hushed murmurs, to gosther is a shameless, self-aggrandizing performance for an audience. It is the tinny bravado of the street-corner charlatan, the relentless monologue of the tavern bore, and the hollow proclamation of a crumbling regime—the sound of insecurity dressed in borrowed robes, a heat of audacity that lingers long after the truth has fled.
Etymology
The OED suggests derivation from Middle English galstren (“to make a noise or outcry”) (found only in the Ancrene Riwle), but the Middle English Dictionary glosses this same word as "to stink". Compare Middle Low German galstern (“demand shamelessly”), Old High German galstar (“chanting, crowing, an incantation”).
verb
- To talk loudly and impudently; to boast or bluster.
Definitions & examples from Wiktionary (CC BY-SA 3.0).
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