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The act of eating a hard shelled taco while receiving a blowjob. The giver may or may not know that a taco is being eaten. Often results in over excitement which leads to premature ejaculation.
She was trying to keep the fact that she gave a blowjaco concealed but going down the walk of shame with lettuce stuck in her hair was a dead giveaway.

Person 1: "Hey man how was last night? Did you get any?"
Person 2: "Yeah, I hid a taco by my bed so I snuck in a blowjaco while my cock was in her mouth."
by blowjaco69 September 27, 2011
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