tag up
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Of a baserunner, when a fly ball is hit, to put one's foot on the base one is currently at until the ball is caught. When the ball is caught, the baserunner may attempt to advance to the next base, at the risk of being tagged out.
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 “tag up” mean?
Of a baserunner, when a fly ball is hit, to put one's foot on the base one is currently at until the ball is caught. When the ball is caught, the baserunner may attempt to advance to the next base, at the risk of being tagged out.
Is “tag up” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.