### Clue: Goes on about drugs during reminder to son (8)
### Answer: PROCEEDS 
 ### Explanation: Definition: Goes on
 { C(abbrev. for "circa", Latin for "about" a time, eg. a year) + E,E(2 x E, the slang abbreviation for the drug Ecstasy) } **contained in**(during) PROD(a reminder;a prompt) **plus**(to) S(abbrev. for "son").