a person who says something one day then changes their opinion to the opposite the next on a continuous basis
Trent: Bro, Melvin told me to fuck off and get out of his life last week, now he's saying i love you and acting like a mate

Abanoub: Yeah what a freak, he's done that like 20 times to me, such a shift.
by the original t-bag October 31, 2008
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The word 'shift' means to stick your tongue into another persons mouth this usually lasts a couple of seconds and the term is widely used in discos in all of Ireland.
by Jamesy.67 May 30, 2015
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to alter you mind; to get high, drunk, etc...
i dont remember anything this weekend i was so shifted!
by zach26k February 12, 2008
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shifted, the common urban word meaning, arrested or captured by the law (boy-dem) (50) (pigs) (the fuzz).
Oi blud man heard how my bredrin ate some youth and straight after he got shifted
by lawrence insula July 31, 2006
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To kiss, usually with tongues. A word used by irish teenagers
Will ye go shift me cousin over by the chairs their lad
by LesKen February 6, 2019
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