The Program relates to taking recreational drugs, ie: speed, ecstasy, blow.... If you are 'on the program' it means you've been taking some kind or a mixture of these drugs for any length of time.
a song in kirby planet Robobot that shares the same name as the first letter of each area and when spelt out. (including the final stage) spells out "PROGRAM"
Patched Plain
Resolution Road
Overload Ocean
Gigabyte Grounds
Rhythm Route
Access Ark
Mind in the program
P.R.O.G.R.A.M.