severitus
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
A subgenre of Harry Potter fanfiction in which Severus Snape is the biological father of Harry.
Register: slang
Where it’s used:
Used
American English
Examples
Arguably Snape's lifelong obsession with Lily in canon is more disturbing than the least imaginative and most derogatory Severitus conception, the drunken one night stand.
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 “severitus” mean?
A subgenre of Harry Potter fanfiction in which Severus Snape is the biological father of Harry.
Is “severitus” formal or informal?
severitus is generally slang.