KB
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Meaning · English
Initialism of knockback.
Register: slang
Where it’s used:
Used
American English
Examples
[…] has had a 'K.B.' (knock-back) by being turned down for parole is something which the prison staff have had to learn to deal with […]
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
Meaning · English
Abbreviation of kine bud (High-grade marijuana.)
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “KB” mean?
Initialism of knockback.
Is “KB” formal or informal?
KB is generally slang.