firebug
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
A pyromaniac or arsonist.
Register: slang
Where it’s used:
Used
American English
Examples
But the firebug allegedly ran back inside yelling before he finally took off.
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 “firebug” mean?
A pyromaniac or arsonist.
Is “firebug” formal or informal?
firebug is generally slang.