A striped racer, also known as the California whipsnake, is a species of non-venomous snake native to the coast and foothills of California. It is a long, slender, and fast-moving snake, identified by its distinctive stripes running down the length of its body. They primarily feed on lizards and small rodents. The scientific name for this species is Masticophis lateralis.
Flinch flex
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When used as a Noun, [Flinch] Flex is the action when Person A quickly flexes their Arms and Trapezius Muscles and initiates an upper body [lunge] toward Person B, but quickly retracts the lunge, indicating they never really intended to actually grab, [grapple] or assault Person B.
The intention of this action is to cause Person B to react has though they were being attacked, and to protect or guard themselves, i.e. Flinched. By the time theyve done this, it has already been made clear that it was unnecessary to do so.
This act is intended to result in the embarrassment, shame or intimidation of Person B. It can be performed [1-on-1] between 2 people, where it is primarily used to intimidate Person B or to cause them to lose their confidence. Or it can be performed in front of a casual or intentional audience, where the goal is to embarrass Person B by tricking them into manifesting their fear or Person A.
It is considered very macho to be Flinch [Flexed] on (to be Person without [flinching]. Greater still to endure [the maneuver] without blinking or even moving your head (Total Badass).
Flinch flex meaning & definition 1 of Flinch flex.