BSO
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Initialism of bicycle-shaped object, used to refer to cheaply-made, low-quality bicycles.
Register: derogatory, slang
Where it’s used:
Used
American English
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “BSO” mean?
Initialism of bicycle-shaped object, used to refer to cheaply-made, low-quality bicycles.
Is “BSO” formal or informal?
BSO is generally derogatory, slang.