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Meaning of upon my sivvy | Babel Free

Noun CEFR C1

Definitions

Upon my soul or honour; used to underline the truth of what one is saying.

UK, obsolete, slang

CEFR level

C1

Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

See also

upon my word upon one's legs upon one's speed upon the back of upon the books upon the by