Definition

(Noun) One that will bite at any bait or swallow anything: a credulous, gullible person.

In Context

“And that makes me for to take it the less to heart, when I do see you be such a gudgeon, Tim, with no more sense than to swallow neat down every thing that do come in your way.”

Frances Burney, The Wanderer: Or, Female Difficulties, 1814.