Cock flexing (M-6'2" and 240 pounds)

Pec Flex Snu - She could crush your dick between them

I discovered I can pec flex and jerk off at the same time :P

Pec flex in the gym ...

Flexing up and down (OC)

Pec flex + bulge flex

Pec flex + cock flex

Pec flex + cock flex

Flexing my erection in the morning

Cock flex + pec flex

Cock flex + pec flex

Flexing is important for your muscles growth