BSer
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
A bullshitter.
Register: slang
Where it’s used:
Used
American English
Examples
Study participants were asked to assess their knowledge of 16 math topics on a five-point scale ranging from “never heard of it” to “know it well, understand the concept.” Crucially, three of those topics were complete fabrications […]. Those who said they were knowledgeable about the fictitious top
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).
Common questions
What does “BSer” mean?
A bullshitter.
Is “BSer” formal or informal?
BSer is generally slang.