Getting a blow-job while you are benching large amounts of weight. Considered the holy grail of blow jobs. You get huge while getting hige.
A blow flex is where you go into a closet with a girl and she starts to pull your pants down. You looks for someplace to sit and you see a bench. As she starts sucking, you start benching, thus a blow flex.
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A slut who goes around and blows the squad
Sherry Moore is the blow master flex of penn state altoona
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