Also found in: Dictionary, Thesaurus.
1. To count or record some number or amount of something. My fitness tracker logs up every step I take throughout the day to let me know how active I've been.
2. To acquire or accumulate a large number or amount of something, especially that which is added to a record or counter of some kind. If I have the right playlist of music playing, I can log up a lot of miles on my runs without even really feeling it in my legs.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
log something up
to record an amount of something. The ship logged many nautical miles up on its last voyage. It logged up a lot of miles.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.