### Clue: Act like an idiot, due to crack and ecstasy (9)
### Answer: BEATITUDE 
 ### Explanation: Definition: ecstasy
 [BE AT IT](engaged in some activity, especially a reprehensible;idiotic? one – surely not when the "it" is sex? – like rabbits perhaps, but not like an idiot) + **anagram of**(… to crack) DUE. But do agree that crack and ecstasy can make you act like an idiot.**
*Edit:  Not quite above.  See :  BE A TIT(act like an idiot).