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during oral sex, the act of a woman putting her lips on her partners testicles and motor-boating them. (gently smacking her forehead with your penis is optional)
1st guy: damn, that Aubrey chick gave me another downtown blow-down last night.

2nd guy: wow, it sound like she's in the fuckin' zone lately.
by martygarderssssss November 09, 2009

Words related to downtown blow-down

motor-boating oral oral sex penis testicles