It's when a girl deepthroats ALL the way and her lips touch the scrotum(ballsack)
Ingrid: "Did you get head from that girl at the party last night"?
Opie: "Yeah".
Ingrid: "How was it"?
Opie: "She went all the way down to the sack"!
by TheSackMan July 8, 2010
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To have sexual intercourse with somebody in there bed. Used as slag in dublin.
Ah jaysus love i want you in the sack!
by Orlababbyy July 7, 2008
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to get punched, kicked, or hit in the nuts
I got sacked earlier in a fight
by allan_t321 April 21, 2016
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To be fired from ones place of employment.

Also, to get "the sack".
"Sorry guys, can't go out tonight. I've got to save money since I was sacked today"

"Hey, did you hear Tracey got the sack?"
by seetheris August 11, 2005
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"Yo, you can go lick my sack."
by x January 22, 2003
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Bed...generally has sexual connotations.
Maria was a terrible cook and talked to fucking much, but because she had a huge rack and was a demon in the sack, Phil decided to put the cap on the kitchen cleaner and keep the ol' bag around for a little while longer.
by Nick D November 24, 2003
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A more polite way of saying "fuck that" so you don't get in trouble with parents, teachers or bosses
Teacher: "Stay behind at lunch for a homework catch-up"
Student "I have people to meet, sack that"
by MacSki December 23, 2013
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