A guys who is not a great thinker, one who's says something then immediately goes back on what he just said.
A douchebag.
Someone who doesn't know what he's talking about
Synonyms for Mr.M
On this page, you will find 30 slang terms related to MR.M. Some of the top words include: socratez, logick, Kkussler, poser, dicstarbuc aKa jigga, and 25 more.