to put keif (the crystal-like substance found on marijuana buds) on you bong hit/bowl pack.
Kevin: Hey, John, do you want to put keif on your bong rip?

John: Na man, i just keifed like 10 minutes ago.
by OnTopallDay November 18, 2009
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Keif-ing The act of getting high off of marijuana. Originates from the word keif, which are little crystals (trichomes) that have THC on them.
"Hey man what were you doing at Alex's house this weekend"

"Just Keifing , we got lit as fuck"
by BlueFlume January 26, 2017
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The concept of keif is often misunderstood, But let me explain:
Keif is everything and nothing
Keif is Life and Death
Keif is Light and Darkness
Keif is Love and Hate
Keif is your wildest dreams and darkest nightmare
Keif is Black and White, Multirace
Keif is the meaning of life.

Keif understands.

Some say Keif is overrated, I say Keif is overrated.

I believe Keif needs to have a voice in the World
Keif can see us, Hear us, Feel us and Touch us but we are not always aware of Keif.

To sum it up Keif is Love and Keif is LIFE.
"I'm feeling Keif today"

"Merry Keifmas"

"My goldfish died 5 years ago and Im still in keif over it"

"Dude I got totally Keifed at the party last night"
by Keithalicious December 23, 2014
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The definition for KEIFE is as follows:
dirty pussy snatch
by mj snatchnhowser March 8, 2005
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A dirt boy who is about 3 feet tall, and everyone loves his mom.
that damn Keif dun stole all our wimens.
by m750 July 15, 2003
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