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1.
The act or process of partaking of chronic, i.e. smoking marijuana. Heard in the south Wales/Cymru valleys, may be more widespread.
"Bring your buds to my house so we can indulge in some quality chronicisation time."

"What are you doing on the week-end?"
"Chronicisin'"

"Did you see how red his eyes were? He was chronicised!"

"Using a vaporizer is a refined chronicisation method."
by Glewlwyd Gafaelfawr December 21, 2006