Slang definitions & phrases for like a bump on a log
like a bump on a log
Idly; uselessly; inertly: He just sits there like a bump on a log(1863+)
The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D. Copyright (C) 2007 by HarperCollins Publishers. Cite This Source
Idioms and Phrases with like a bump on a log
Unmoving, inactive, stupidly silent. For example, Harry just sat there like a bump on a log while everyone else joined in the fun. This simile presumably alludes to the immobility of such a protuberance.
[ ; mid-1800s