To use a lot of. To do something in abundance or excess.

Or, very drunk/intoxicated.
"I was caining it down the motorway"
"I'm caining The Beatles at the minute, I can't get enough of them!"

"I was cained lastnight!"
by anynymooose January 8, 2012
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'Cained' is the desired stage one should be aiming for when out smoking pot with his buddies. It's more intense then a 'high,' but has yet to go into 'stoned.'
"I'd introduce you to the parents, dude, but you're a bit cained."
by Rep August 24, 2004
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To intake large amount of illegal narcotics, traditionally marijuana. To cain means to go above and beyond normal intakes to the amount that will physically challenge you and to do it at a fast pace.
"Jordan cains like a muvaf*ck"
"Right lads facny a caining session?"
"Ben was well cained, puking up solid jelly babies....."
by Garreth Hughes May 27, 2004
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Cain can be explained plainly as finishing off a drug quantity, whether it be a cannabis cigarette, shesha bong or anything else of the sort. Caining is to devour the last remains of something OR to devour it rapidly in quick consession.
Example 1: Dude, that last pull was a real lung tickler, I'm out for the count, cain that shit.

Example 2: My Dad'll be home soon, let's cain his Jack Daniels before he gets home.

Example 3: What ho! Those chicken nuggets are getting cained! I best get out a fresh box for yowl.
by tenspeedgeek January 10, 2008
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Cain/Cained" - to fail to understand simple logic or reason, and stubbornly refute, or refuse to acknowledge any form of evidence presented that counters any stated argument other than the one originally presented by the instigator of the argument. Further, to twist presented facts and evidence into an attempt to support the premise the evidence, then, clearly refutes.
Man 1: Hey man, look at that wonderful Blue Sky! Lovely day.
Man 2: No man that skies Red with streaks of Gold!

Man 1: What? Look at it, it's blue dude! How can you say it's red?
Man 2: You just supported my argument via that statement. You admitted it's red as you said "It's Red" in the sentence.
Man 1: Your pulling a Cain man.

Man 2: Yeah, you totally got Cained by me then!
by DungeonsandDragonsNerd June 21, 2011
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The word is used to describe graffiti vandal payback. To cain a grafitti artists artwork is to write 'is wack' over the top of their name or to the side with an arrow pointing to their name.
As a general rule of righteousness, you can only 'cain' a tag if it is on your own property or fence.
by VICKI KARMA November 11, 2006
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Bro I just walked in on Brian, he’s a real Caines.
by Websterrs October 23, 2020
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