Full of or containing crawfish; also potentially meaning disgustingly full or nauseating (archaic).
From 'craw' (stomach or crawfish) combined with the adjective suffix '-ful,' meaning full of something.
The suffix '-ful' is one of English's oldest ways of making adjectives—'handful,' 'awful,' and 'crawful' all work the same way, showing the consistency of English word-building patterns.
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