When you have a perfectly functioning brain, but you just don't use/outright refuse to use it.
Derived from the saying " Just sitting there like a lump on a log. "
Synonyms for Lumphead
On this page, you will find 30 slang terms related to Lumphead. Some of the top words include: Sloppy Grandma, Wigglytuff, bar it, fo' sheezy, Crow, and 25 more.