It is when a girl is having sex and keeps quacking like a baby duck. Then her sex partner eats food and regurgitates the food into the girls mouth or pussy or bum. If it is in the bum they shit it out into sex partners mouth. If in the mouth they eat it. If in the pussy the sex partner licks it out.
Sex Partner : lets quackfack
Girl : who’s doing the quacking
Sex Partner : you
Girl : ah shit here we go again
by Incognito unknown uset November 22, 2019
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