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The group name of Harry Styles and his band, based upon their first name initials. (Claire, Harry, Adam, Sarah, Mitch).
Did you go to Harry’s concert last night? CHASM was amazing!
by mymainliampayne July 18, 2018
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The process of smoking cannabis. Also known as a joint, spliff, bifter, zute and doobie.
Joe: What you doing after lunch?
Kane: Nothing man.
Joe: Wanna come for a chasm?
by Kempo May 10, 2006
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