The final pelvic thrusts of intercourse just prior to ejaculation and after the point where most people couldn't turn back from. The word 'vinagre' is used in reference to the facial expression you would probably be making at that glorious moment - Like you'd just taken a large mouthful of vinagre...
by Chilli Vanilli December 31, 2012
by Chilli Vanilli January 28, 2013