tach up
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
To rev (up) a car's engine; to accelerate.
Where it’s used:
Used
American English
Examples
[...]and quickly, in an arc unexpectedly graceful, they had all turned outward, tached up, engaged, and like a time machine departing for the future, forever too soon for Zoyd, boomed away up the thin, cloudpressed lane.
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 “tach up” mean?
To rev (up) a car's engine; to accelerate.
Is “tach up” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.