I've got your number
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
To have someone figured out, so they can't fool you.
Register: neutral
Sources & notes
Curated everyday-idiom list, site editorial 2026-07-30.
Common questions
What does “I've got your number” mean?
To have someone figured out, so they can't fool you.
Is “I've got your number” formal or informal?
I've got your number is generally neutral.