*FLEX* is a phrase you type into poker chat boxes that indicates to the opponent your great strength, and the impending doom they face unless they choose to fold, leave the table, shut down their computer, and stick the monitor into an industrial trash compactor.
by Wally McMillan February 04, 2008

by skeptikalia July 04, 2011

by jeff cortin June 11, 2006

by ipr0 June 16, 2009

person 1: "im so dedicated to football, I just smashed out a great training sesh im so good. like the academy just made me pro u should've seen me repping the goals at training today . plus my brows r on fleek today. also did u know also there's a town in Germany called Burmeister."
person 2: "geez that guy is such a flexer, I bet his name is jai"
person 2: "geez that guy is such a flexer, I bet his name is jai"
by personwhoknowsalot March 30, 2020

by Jose el Culero y el padre May 06, 2018

by robblue6412 August 04, 2010
