look up any word, like sex:
Large, bushy eyebrows on a persons face that resemble fat caterpillars.

Examples of men with caterpillar eyebrows include the comedian Stephen Frost and the Canadian politician Michael Ignatieff.
"Wow, those caterpillar eyebrows are so thick he's going to need to start brushing them every morning!"
by Potatosaladgirl December 23, 2009