McFuck
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
A term of abuse directed at someone whose last name is uncertain or unknown.
Register: derogatory, slang, vulgar
Where it’s used:
Used
American English
Examples
Hey Alan McFuck, The Niners rule and you should learn how to also spell your last name right. You Cowgirl faggots will be eating lots of cow dung next month as the Niners will kick the shit out of the Cowgirls.
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 “McFuck” mean?
A term of abuse directed at someone whose last name is uncertain or unknown.
Is “McFuck” formal or informal?
McFuck is generally derogatory, slang, vulgar.