tree cancer
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
A visible bump beside a tree giving away the presence of a hidden sniper.
Register: 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 “tree cancer” mean?
A visible bump beside a tree giving away the presence of a hidden sniper.
Is “tree cancer” formal or informal?
tree cancer is generally slang.