surfer's knob
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
A hard bump or nodule on a surfer's knee, shin or ankle, resulting from recurrent contact with the surfboard.
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 “surfer's knob” mean?
A hard bump or nodule on a surfer's knee, shin or ankle, resulting from recurrent contact with the surfboard.
Is “surfer's knob” formal or informal?
surfer's knob is generally slang.