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Meaning of crum up | Babel Free

Verb CEFR B2

Definitions

To delouse; to treat for lice.
slang
To ruin (something).
slang, transitive

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

crumb crumb down crumb up crumbed crumbed down crumbed up