Giving someone a blowjob. Named after the band the Shackletons because they suck so much.
"yeah, i was at the shackletons concert. but i was in the bathroom shacking up because it sucked so much"
by ShackletonHater April 14, 2010
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When a dunbass ho gives up the pussy only because she needs a place to live to get off the street.
I banged he bejeebers out of Claire and the next thing I knew her ass was moved in to my hizzhouse with all dem kids! She is nuttn but a shack up whore!
by Mr Shocker September 26, 2006
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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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get up shacks an unwanted attack from a party of people looking to attack those vulnerable to their surroundings offen used as code word to attack depending on how much of a pussy they are
joe,"hey aidan how are you"
aidan"im fine thanks pal u"
joe" get up shacks"
james" cba"
luis" fuck of joe"
aidan"joe do u need help bro"
by getupshacks123 April 10, 2017
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