flat tire
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
A bore; a person who is no fun.
Register: dated, slang
Where it’s used:
Used
American English
Examples
Sam scowled at him. “You're always such a flat tire. Live a little for once.”
A twinge of pity for Judd made Carrie speak. “He's not a flat tire. He just doesn't want to.”
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 “flat tire” mean?
A bore; a person who is no fun.
Is “flat tire” formal or informal?
flat tire is generally dated, slang.