To flex it, means to spend a whole or the rest of the night in Reflex. Reflex being the 80s styled club located in southampton, Reading and other locations in Britain.
by soton raver November 30, 2010

A flex is a person who always seems to have an excuse for not being able to hang out. May ditch you for other people.
by Karen Wallice July 19, 2017

by Taybabi a.k.a Tayla June 22, 2007

smiply put, to roll a blunt
by Native Slang December 9, 2008
