Anytime you (or someone else) is trying to look casual but are secretly flexing in a picture or pose to make your muscles (usually arms) look bigger. This includes but not limited to, a hidden clinched fist to make your biceps look bigger, and also having your arms pressed against your body to make them look bigger.
Look at that guy, who is he trying to kid. His arms are not that big. He's just doing THE SILENT FLEX.
by ColeManND87 January 16, 2015
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sarah: damn u played with those tities so much that i got a boob flexer
me: HEY FUCK OFF U!, dont tell me i gave u a boob flexer...chunt
me: HEY FUCK OFF U!, dont tell me i gave u a boob flexer...chunt
by elemeno-p1 June 23, 2008
Get the boob flexer mug.by Ggbandz May 19, 2018
Get the old flex mug.That new Challenger is pimp daddy master-flex!.....That babe is pimp daddy master-flex since she got that boob-job!
by jinx0760 August 7, 2008
Get the pimp daddy master-flex mug.When one is going to a destination or doing something that some consider to be boring and many consider to be done by "pussys" , or weaklings or basically geeks.
Damien: Yo David wagwarn tonight bruv?
David: dunno man feeling ta reach danext mans party from science class
Damien: Na allow da dats a "pussy boi flex" ent nuttin gon be dwn there jus sum pussy holes
David: dunno man feeling ta reach danext mans party from science class
Damien: Na allow da dats a "pussy boi flex" ent nuttin gon be dwn there jus sum pussy holes
by iHussle247 November 13, 2009
Get the pussy boi flex mug.by annoymous1046 October 26, 2018
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