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Meaning of knew what side one's bread was buttered on | Babel Free

Verb CEFR C2

Definitions

simple past of know what side one's bread is buttered on

form-of, past

CEFR level

C2

Mastery
This word is part of the CEFR C2 vocabulary — mastery level.

See also

knew what was what knew what's o'clock knew when to fold 'em knew where the bodies were buried knew whether one was Arthur or Martha knew which end is up