brain thrust- when a mans brain power becomes ruler over his penis power. therefore draining his penis of power, making him make logical descions.
by ilovethatdick September 22, 2008
When one uses their collection of feces contained within plastic foil bags to obliterate their sexual partner's throat in an act of sodomy.
Chad: "Yo Tim, what ever happened with you and that girl last night?"
Tim: "Oh bro, my throat is so sore! She whipped out her fecal bag and performed poopbag brain thrusts on me for like an hour! We're meeting up again tonight!"
Tim: "Oh bro, my throat is so sore! She whipped out her fecal bag and performed poopbag brain thrusts on me for like an hour! We're meeting up again tonight!"
by SuzerainY September 22, 2022