Meaning to get the fuck out quickly. Quick, fast and in a hurry.
Krisha: when I get back to work, I'm gonna shag out!

Laura: groovy baby
by KBLS January 5, 2017
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Akin to the word knackered.
Very tired.
I'm shagged out after last night.
by minges and all April 18, 2003
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1) To be exhausted from a hard days work.
2) Unable to get wood due to excessive knobbing.
3) A gay phrase used by douchebags to try and make them believe they're having more sex than you.
Ben: "Ooooh yeah, after yesterdays exploits, I'm shagged out!"
Kevin: "What, those men tire you?"
by Jamie Douglas September 24, 2006
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To heal oneself by having a large amount of intercourse with a variety of partners until one reaches a state of inner calm.
"man, i gotta tell ya i just can't seem to get my head straight. i got aches and pains, anxiety. i just feel like i'm walking around in a fog half the time."

"just gotta shag it out bro."

"dig."
by Bluesbone_Megaphone November 11, 2011
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