upon my sivvy
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Upon my soul or honour; used to underline the truth of what one is saying.
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “upon my sivvy” mean?
Upon my soul or honour; used to underline the truth of what one is saying.
Is “upon my sivvy” formal or informal?
upon my sivvy is generally slang.