chrono-rib 

a substance from northern Brazil that has the body experience deja vu for every second for about 3 weeks.

damn, dat nigga be slippin on a chrono-rib.

chrono-rib by James Steeds May 11, 2007

chrontribution 

Used to describe a person's contribution of marijuana to a smoking session involving several people.

"We're rolling a joint. Care to make a chrontribution?"
OR
We are gonna need some seriously hefty chrontributions if we want to roll a superblunt.

chrontribution by B_T November 26, 2010