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When, during the act of fellatio, the giving partner gags on the penis of the receiving partner and vomits a small amount of stomach acid, mucus, and saliva onto the penis. This "vinegary" liquid is then used to further facilitate the fellatio and/or masturbation as an added lubricant. When depicted on video, this vinegary substance is typically spit aggressively at the receiving penis before being re-incorporated into the sexual act.
My girlfriend gagged when she was blowing me the other night, but she just spit it on my dick and turned it into a vinaigrette slider.
by jedbob December 11, 2009
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