like a bump on a log

like a bump on a log

Fig. completely inert. (Derogatory.) Don't just sit there like a bump on a log; give me a hand! You can never tell what Julia thinks of something; she just stands there like a bump on a log.
See also: bump, like, log, on

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. [Colloquial; mid-1800s]
See also: bump, like, log, on