BEM
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
A stock character in science fiction; a grotesque creature, often an extraterrestrial, that menaces the protagonists.
Register: derogatory, slang
Where it’s used:
Used
American English
Examples
Incidentally, Mr. Bergey, the BEM's on your latest smear have extremely jovial expressions on their pans to be as tough a bunch of eggs as Friend made them out.
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 “BEM” mean?
A stock character in science fiction; a grotesque creature, often an extraterrestrial, that menaces the protagonists.
Is “BEM” formal or informal?
BEM is generally derogatory, slang.