A situation during sexual intercourse when a man ejaculates explosively in between the butt cheeks of his partner. He then would vibrates the butt cheeks of his partner while his semen drips down their crack.
Chris - Listen baby, im not trying to have some candle light dinner over wine tonight. Im just trying to shack the cheeks.
by Shhtevenn June 9, 2016
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Get the Scrack mug.what all teenage and young adult men ages 14-22 (or so) need to do if they want to avoid embarrassing pda moments.
Not only do our young men need to know what shack up with your girlfriend actually means, but they also need to learn what decorum is and not insult their parents' values.
by Sexydimma January 8, 2017
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by kaid101 August 6, 2017
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